diff --git a/stellarphot/__init__.py b/stellarphot/__init__.py
index ceb5cd2b..c4aa5244 100644
--- a/stellarphot/__init__.py
+++ b/stellarphot/__init__.py
@@ -17,6 +17,10 @@
 
 
 class UnsupportedPythonError(Exception):
+    """
+    Wraps an exception to raise if a user tries to use stellarphot
+    with an unsupported version of Python.
+    """
     pass
 
 
diff --git a/stellarphot/analysis/exotic.py b/stellarphot/analysis/exotic.py
index f0769d73..325f64d7 100644
--- a/stellarphot/analysis/exotic.py
+++ b/stellarphot/analysis/exotic.py
@@ -99,7 +99,7 @@ def make_checker(indicator_widget, value_widget):
     Parameters
     ----------
 
-    indicator_widget : MyCheck widget
+    indicator_widget : `~stellarphot.analysis.MyValid` widget
         The widget that indicates to the user whether or not the value is
         reasonable.
 
@@ -143,7 +143,7 @@ def validate_exposure_time(indicator_widget, value_widget):
 
     Parameters
     ----------
-    indicator_widget : `MyValid` widget
+    indicator_widget : `~stellarphot.analysis.MyValid` widget
         The widget that indicates to the user whether or not the value is
         reasonable.
 
@@ -219,10 +219,10 @@ def populate_TOI_boxes(toi, exotic_widget):
     Parameters
     ----------
 
-    toi : stellarphot.io.tess.TOI
+    toi : `~stellarphot.io.tess.TOI`
         Information about the TIC object.
 
-    exotic_widget: ipywidget
+    exotic_widget:  ipywidget
         This widget should be generated by exotic_settings_widget.
 
     Returns
diff --git a/stellarphot/analysis/transit_fitting.py b/stellarphot/analysis/transit_fitting.py
index 8f2258e6..95a4d251 100644
--- a/stellarphot/analysis/transit_fitting.py
+++ b/stellarphot/analysis/transit_fitting.py
@@ -33,8 +33,10 @@
 
 class VariableArgsFitter(LevMarLSQFitter):
     """
-    A callable class that can be used to fit functions with arbitrary number of positional parameters.
-    This is a modified version of the astropy.modeling.fitting.LevMarLSQFitter fitter.
+    A callable class that can be used to fit functions with arbitrary number of
+    positional parameters.  This is a modified version of the
+    astropy.modeling.fitting.LevMarLSQFitter fitter.
+
     """
     def __init__(self):
         super().__init__()
@@ -89,56 +91,55 @@ def __call__(self, model, *args, weights=None,
 
 
 class TransitModelFit:
-    """Transit model fits to observed light curves.
-
-    Parameters
-    ----------
-    batman_params : batman.TransitParams
-        Parameters for the batman transit model. If not provided, the
-        default parameters will be used.
+    """
+    Transit model fits to observed light curves.
 
     Attributes
     ----------
-    times : array-like
-        Times at which the light curve is observed. Must be set before
-        fitting.
-
     airmass : array-like
         Airmass at each time. Must be set before fitting.
 
-    width : array-like
-        Width of the star in pixels at each time. Must be set before fitting.
-
-    spp : array-like
-        Sky per pixel at each time. Must be set before fitting.
+    BIC : float
+        Bayesian Information Criterion for the fit. This is calculated
+        after the fit is performed.
 
     data : array-like
         Observed fluxes. Must be set before fitting.
 
-    model : astropy.modeling.Model
+    model : `astropy.modeling.Model`
         The model used for fitting. This is a combination of the batman
         transit model and any other trends that are included in the fit.
         This is set up when the ``setup_model`` method is called.
 
+    n_fit_parameters : int
+        Number of parameters that were fit. This is calculated after the
+        fit is performed.
+
+    spp : array-like
+        Sky per pixel at each time. Must be set before fitting.
+
+    times : array-like
+        Times at which the light curve is observed. Must be set before
+        fitting.
+
+    width : array-like
+        Width of the star in pixels at each time. Must be set before fitting.
+
     weights : array-like
         Weights to use for fitting. If not provided, all weights are
         set to 1.
 
-    detrend_parameters : set
-        Set of parameters to detrend by. This is set when the ``airmass``,
-        ``width``, or ``spp`` attributes are set. If all three are set,
-        then all three are used for detrending. If ``None`` of them are
-        set, then no detrending is done.
-
-    BIC : float
-        Bayesian Information Criterion for the fit. This is calculated
-        after the fit is performed.
-
-    n_fit_parameters : int
-        Number of parameters that were fit. This is calculated after the
-        fit is performed.
     """
     def __init__(self, batman_params=None):
+        """
+        Initialize the transit model fit.
+
+        Parameters
+        ----------
+        batman_params : batman.TransitParams
+            Parameters for the batman transit model. If not provided, the
+            default parameters will be used.
+        """
         self._batman_params = batman.TransitParams()
         self._set_default_batman_params()
         self._times = None
@@ -486,6 +487,28 @@ def _detrend(self, model, detrend_by):
         return detrended
 
     def data_light_curve(self, data=None, detrend_by=None):
+        """
+        Function to return data light curve, optionally detrended by one or
+        more parameters.
+
+        Parameters
+        ----------
+
+        data : array-like, optional
+            Data to use for calculating the light curve. If not provided,
+            the data used for fitting will be used.
+
+        detrend_by : str or list of str
+            Parameter(s) to detrend by. If ``None``, no detrending is
+            done. If ``'all'``, all parameters that are set will be
+            used for detrending.
+
+        Returns
+        -------
+
+        data : array-like
+            Data light curve, detrended if requested.
+        """
         data = data if data is not None else self.data
 
         if detrend_by is not None:
@@ -497,18 +520,18 @@ def model_light_curve(self, at_times=None, detrend_by=None):
         """
         Calculate the light curve corresponding to the model, optionally
         detrended by one or more parameters.
-        
+
         Parameters
         ----------
         at_times : array-like
             Times at which to calculate the model. If not provided, the
             times used for fitting will be used.
-            
+
         detrend_by : str or list of str
             Parameter(s) to detrend by. If ``None``, no detrending is
             done. If ``'all'``, all parameters that are set will be
             used for detrending.
-            
+
         Returns
         -------
         model : array-like
diff --git a/stellarphot/core.py b/stellarphot/core.py
index 94ca00fc..edaeef17 100644
--- a/stellarphot/core.py
+++ b/stellarphot/core.py
@@ -7,23 +7,19 @@ class Camera:
     """
     A class to represent a CCD-based camera.
 
-    Parameters
+    Attributes
     ----------
+
     gain : `astropy.quantity.Quantity`
-        The gain of the camera in units such that the unit of the product `gain` times the image data matches the unit of the `read_noise`.
+        The gain of the camera in units such that the unit of the product
+        `gain` times the image data matches the unit of the `read_noise`.
+
     read_noise : `astropy.quantity.Quantity`
         The read noise of the camera in units of electrons.
-    dark_current : `astropy.quantity.Quantity`
-        The dark current of the camera in units such that, when multiplied by exposure time, the unit matches the unit of the `read_noise`.
 
-    Attributes
-    ----------
-    gain : float times u.electron / u.adu,
-        The gain of the camera in units of electrons per ADU.
-    read_noise : float times u.electron
-        The read noise of the camera in units of electrons.
-    dark_current : float times u.electron / u.second
-        The dark current of the camera in units of electrons per second.
+    dark_current : `astropy.quantity.Quantity`
+        The dark current of the camera in units such that, when multiplied
+        by exposure time, the unit matches the unit of the `read_noise`.
 
     Notes
     -----
@@ -48,6 +44,22 @@ class Camera:
     def __init__(self, gain=1.0 * u.electron / u.adu,
                  read_noise=1.0 * u.electron,
                  dark_current=0.01 * u.electron / u.second):
+        """
+        Initializes a Camera object instance.
+
+        Parameters
+        ----------
+        gain : `astropy.quantity.Quantity`
+            The gain of the camera in units such that the unit of the product `gain`
+            times the image data matches the unit of the `read_noise`.
+
+        read_noise : `astropy.quantity.Quantity`
+            The read noise of the camera in units of electrons.
+
+        dark_current : `astropy.quantity.Quantity`
+            The dark current of the camera in units such that, when multiplied by
+            exposure time, the unit matches the unit of the `read_noise`.
+        """
         super().__init__()
         self.gain = gain
         self.read_noise = read_noise
diff --git a/stellarphot/differential_photometry/aij_rel_fluxes.py b/stellarphot/differential_photometry/aij_rel_fluxes.py
index 40c4566f..910e7a13 100644
--- a/stellarphot/differential_photometry/aij_rel_fluxes.py
+++ b/stellarphot/differential_photometry/aij_rel_fluxes.py
@@ -37,19 +37,19 @@ def calc_aij_relative_flux(star_data, comp_stars,
         the `star_data` and the position in the `comp_stars` table
         is too large.
 
-    in_place : ``bool``, optional
+    in_place : bool,  optional
         If ``True``, add new columns to input table. Otherwise, return
         new table with those columns added.
 
-    coord_column : ``str``, optional
+    coord_column : str,  optional
         If provided, use this column to match comparison stars to coordinates.
         If not provided, the coordinates are generated with SkyCoord.
 
-    flux_column_name : ``str``, optional
+    flux_column_name : str,  optional
         If provided, use this column to find flux.
         If not provided, the column 'aperture_net_flux' is used.
 
-    star_id_column : ``str``, optional
+    star_id_column : str,  optional
         Name of the column that provides a unique identifier for each
         comparison star.
 
diff --git a/stellarphot/differential_photometry/catalog_search.py b/stellarphot/differential_photometry/catalog_search.py
index 1fedb172..9506b6ad 100644
--- a/stellarphot/differential_photometry/catalog_search.py
+++ b/stellarphot/differential_photometry/catalog_search.py
@@ -26,9 +26,9 @@ def in_frame(frame_wcs, coordinates, padding=0):
     Parameters
     ----------
 
-    frame_wcs : astropy WCS object
+    frame_wcs : `astropy.wcs.WCS`
         WCS for the image.
-    coordinates : astropy.coordinates.SkyCoord
+    coordinates : `astropy.coordinates.SkyCoord`
         Coordinate(s) whose position will be checked to see if they are in the
         field of view.
     padding : int, optional
@@ -39,7 +39,7 @@ def in_frame(frame_wcs, coordinates, padding=0):
     Returns
     -------
 
-    numpy.ndarray of bool
+    `numpy.ndarray` of bool
         One value for each input coordinate; values are ``True`` if the
         coordinate was in the field of view, ``False`` otherwise.
 
@@ -63,7 +63,7 @@ def catalog_search(frame_wcs_or_center, shape, desired_catalog,
     Parameters
     ----------
 
-    frame_wcs : astropy.wcs.WCS
+    frame_wcs : `astropy.wcs.WCS`
         WCS of the image of interest.
 
     shape : tuple of int
@@ -95,7 +95,7 @@ def catalog_search(frame_wcs_or_center, shape, desired_catalog,
     Returns
     -------
 
-    astropy.table.Table
+    `astropy.table.Table`
         Table of catalog information for stars in the field of view.
 
     """
@@ -133,10 +133,12 @@ def catalog_clean(catalog, remove_rows_with_mask=True,
     Parameters
     ----------
 
-    catalog : astropy.Table
+    catalog : `astropy.table.Table`
         Table of catalog information. There are no restrictions on the columns.
+
     remove_rows_with_mask : bool, optional
         If ``True``, remove rows in which one or more of the values is masked.
+
     other_restrictions: dict, optional
         Key/value pairs in which the key is the name of a column in the
         catalog and the value is the criteria that values in that column
@@ -147,7 +149,7 @@ def catalog_clean(catalog, remove_rows_with_mask=True,
     Returns
     -------
 
-    astropy.table.Table
+    `astropy.table.Table`
         Table of catalog information for stars in the field of view.
 
     """
@@ -191,7 +193,7 @@ def find_apass_stars(image_or_center,
     Get APASS data from Vizer.
 
     Parameters
-    ---------
+    ----------
 
     image_or_center : `astropy.nddata.CCDData` or `astropy.coordinates.SkyCoord`
         Either an image with a WCS (from which the RA/Dec will be extracted) or coordinate of
@@ -239,7 +241,8 @@ def find_apass_stars(image_or_center,
 
 
 def find_known_variables(image):
-    '''Get any known variable stars in image field from the VSX catalog.
+    """
+    Get any known variable stars in image field from the VSX catalog.
 
     Parameters
     ----------
@@ -252,7 +255,7 @@ def find_known_variables(image):
 
     vsx : `astropy.table.Table`
         Table of known variable stars in the field of view.
-    '''
+    """
     try:
         vsx = catalog_search(image.wcs, image.shape, 'B/vsx/vsx',
                              ra_column='RAJ2000', dec_column='DEJ2000')
@@ -270,7 +273,7 @@ def filter_catalog(catalog, **kwd):
     Parameters
     ----------
 
-    catalog : astropy Table
+    catalog : `astropy.table.Table`
         Table whose values are to be filtered.
 
     kwd : key/value pairs, e.g. ``e_r_mag=0.1``
@@ -280,7 +283,7 @@ def filter_catalog(catalog, **kwd):
     Returns
     -------
 
-    numpy.ndarray of bool
+    `numpy.ndarray` of bool
         One value for each row in the catalog; values are ``True`` if the
         row meets the criteria, ``False`` otherwise.
     """
diff --git a/stellarphot/differential_photometry/magnitude_transforms.py b/stellarphot/differential_photometry/magnitude_transforms.py
index e0e95ea3..be08ea5c 100644
--- a/stellarphot/differential_photometry/magnitude_transforms.py
+++ b/stellarphot/differential_photometry/magnitude_transforms.py
@@ -27,15 +27,17 @@ def f(X, a, b, c, d, z):
 
     Parameters
     ----------
+
     X : tuple of numpy.ndarray
         The first element is an array of instrumental magnitudes,
         the second is an array of colors.
+
     a, b, c, d, z : float
         Parameters of the fit.
 
     Returns
     -------
-    numpy.ndarray
+    `numpy.ndarray`
         Array of calibrated magnitudes.
     """
     mag_inst, color = X
@@ -51,14 +53,14 @@ def get_cat(image):
     Parameters
     ----------
 
-    image : astropy.table.Table
+    image : `astropy.table.Table`
         Table containing the image information. Must have columns
         ``RA`` and ``Dec``.
 
     Returns
     -------
 
-    astropy.table.Table
+    `astropy.table.Table`
         Table containing the APASS catalog entries within 1 degree of
         first object in Astropy table.
     """
@@ -75,7 +77,8 @@ def get_cat(image):
 
 
 def opts_to_str(opts):
-    """Convert the options from a fit to a string.
+    """
+    Convert the options from a fit to a string.
 
     Parameters
     ----------
@@ -97,16 +100,17 @@ def opts_to_str(opts):
 
 
 def calc_residual(new_cal, catalog):
-    """Calculate the standard deviations of the residuals between
+    """
+    Calculate the standard deviations of the residuals between
     the new calibrated magnitude and the catalog magnitude.
 
     Parameters
     ----------
 
-    new_cal : numpy.ndarray
+    new_cal : `numpy.ndarray`
         New calibrated magnitudes.
 
-    catalog : numpy.ndarray
+    catalog : `numpy.ndarray`
         Catalog magnitudes.
 
     Returns
@@ -123,30 +127,31 @@ def calc_residual(new_cal, catalog):
 def filter_transform(mag_data, output_filter,
                      g=None, r=None, i=None,
                      transform=None):
-    '''
+    """
     Transform SDSS magnitudes to BVRI using either the transforms from
     Jester et al or Ivezic et al.
 
     Parameters
     ----------
 
-    mag_data : astropy.table.Table
+    mag_data : `astropy.table.Table`
         Table containing ``g``, ``r`` and ``i`` magnitudes (or at least)
         those required to transform to the desired output filter.
+
     output_filter : 'B', 'V', 'R' or 'I'
         Filter for which magnitude should be calculated. Note that
         *case matters* here.
+
     g, r, i : str
         Name of column in table for that magnitude.
+
     transform : 'jester' or 'ivezic'
         Transform equations to use.
-    Description: This function impliments the transforms in
-        'A Comparison of SDSS Standard
 
     Returns
     -------
 
-    astropy.table.Column
+    `astropy.table.Column`
         Output transformed magnitudes as a table column
 
     Notes
@@ -161,7 +166,7 @@ def filter_transform(mag_data, output_filter,
     The Future Of Photometric, Spectrophotometric And Polarimetric Standardization, ASP Conference Series 364, p. 165 (2007)
     http://aspbooks.org/custom/publications/paper/364-0165.html
 
-    '''
+    """
     supported_transforms = ['jester', 'ivezic']
     if transform not in supported_transforms:
         raise ValueError('Transform {} is not known. Must be one of '
@@ -236,37 +241,47 @@ def calculate_transform_coefficients(input_mag, catalog_mag, color,
     Parameters
     ----------
 
-    input_mag : numpy array or astropy Table column
+    input_mag : `numpy.ndarray` or `astropy.table.Column`
         Input magnitudes; for example, instrumental magnitudes.
-    catalog_mag : numpy array or astropy Table column
+
+    catalog_mag : `numpy.ndarray` or `astropy.table.Column`
         Catalog (or reference) magnitudes; the magnitudes to which the
         input_mag will eventually be transformed.
-    color : numpy array or astropy Table column
+
+    color : `numpy.ndarray` or `astropy.table.Column`
         Colors to use in determining transform coefficients.
-    input_mag_error : numpy array or astropy Table column, optional
+
+    input_mag_error : `numpy.ndarray` or `astropy.table.Column`, optional
         Error in input magnitudes. Default is zero.
-    catalog_mag_error : numpy array or astropy Table column, optional
+
+    catalog_mag_error : `numpy.ndarray` or `astropy.table.Column`, optional
         Error in catalog magnitudes. Default is zero.
+
     faintest_mag_for_transform : float, optional
         If this is not ``None``, the magnitude of the faintest catalog stars
         to use in computing transform coefficients.
+
     order : int, optional
         Order of the polynomial fit to use in correcting for color.
+
     sigma : float, optional
         Value of sigma to use to reject outliers while fitting using
         sigma clipping.
+
     gain : float, optional
         If not ``None``, adjust the instrumental magnitude by
         -2.5 * log10(gain), i.e. gain correct the magnitude.
+
     verbose : bool, optional
         If ``True``, print some diagnostic information.
+
     extended_output : bool, optional
         If ``True``, return additional information.
 
     Returns
     -------
 
-    filtered_data : `~numpy.ma.core.MaskedArray`
+    filtered_data : `numpy.ma.core.MaskedArray`
         The data, with the mask set ``True`` for the data that was *omitted*
         from the fit.
 
@@ -375,14 +390,14 @@ def transform_magnitudes(input_mags, catalog,
     Parameters
     ----------
 
-    input_mags : astropy Table
+    input_mags : `astropy.table.Table`
         Table which contains a column with instrumental magnitudes, i.e.
         -2.5 * log10(net_counts / exposure_time).
 
-    catalog : astropy Table
+    catalog : `astropy.table.Table`
         Table containing reference catalog of magnitudes and colors.
 
-    transform_catalog : astropy Table
+    transform_catalog : `astropy.table.Table`
         Table containing the reference catalog of magnitudes and colors
         to use in determining the transform coefficients. Can be the
         same table as ``catalog`` if desired.
@@ -417,17 +432,17 @@ def transform_magnitudes(input_mags, catalog,
     Returns
     -------
 
-    our_cat_mags : astropy Table column
+    our_cat_mags : `astropy.table.Column`
         The calculated catalog magnitudes for the stars in ``input_mags``.
 
-    good_match_all : numpy array
+    good_match_all : `numpy.ndarray`
         Boolean array indicating which stars in ``input_mags`` have a match
         in the catalog.
 
     transforms : `astropy.modeling.FittableModel`
         The coefficients of the transform. The coefficients are in the order
         of ascending power, i.e. the coefficient ``ci`` is the coefficient
-        of the term ``x**i``.  Warning: This returns a namedtuple if the fit 
+        of the term ``x**i``.  Warning: This returns a namedtuple if the fit
         fails.
     """
     catalog_all_coords = SkyCoord(catalog['RAJ2000'],
@@ -502,7 +517,7 @@ def transform_to_catalog(observed_mags_grouped, obs_mag_col, obs_filter,
     Parameters
     ----------
 
-    observed_magnitudes_grouped : astropy.table.Table group
+    observed_magnitudes_grouped : `astropy.table.Table`
         An astropy table, grouped by whatever you want that sepearates the data into
         data from just one image. BJD of the center of the observatory is one reasonable choice
 
@@ -526,13 +541,13 @@ def transform_to_catalog(observed_mags_grouped, obs_mag_col, obs_filter,
         ``('r_mag', 'i_mag')`` then the calculated color will be the ``r_mag`` column minus
         the ``i_mag`` column.
 
-    a_delta, b_delta, c_delta, d_delta : flt, optional
+    a_delta, b_delta, c_delta, d_delta : float, optional
         Range allowed in fitting for each of the parameters ``a``, ``b``, ``c``, and ``d``. Use ``1E-6`` to fix a parameter.
 
-    a_cen : flt, optional
+    a_cen : float, optional
         Center of range for the fitting parameter ``a``.
 
-    zero_point_range : tuple of flt, optional
+    zero_point_range : tuple of float, optional
         Range to which the value of the zero point is restricted in fitting to observed magnitudes.
 
     in_place : bool, optional
@@ -548,7 +563,7 @@ def transform_to_catalog(observed_mags_grouped, obs_mag_col, obs_filter,
     Returns
     -------
 
-    astropy.table.Table
+    `astropy.table.Table`
         Table containing the calibrated magnitudes and the fit parameters.
 
     """
diff --git a/stellarphot/io/aij.py b/stellarphot/io/aij.py
index 84f587fd..316a9b1d 100644
--- a/stellarphot/io/aij.py
+++ b/stellarphot/io/aij.py
@@ -14,8 +14,30 @@
 class ApertureAIJ:
     """
     Represents the aperture information AstroImageJ saves.
+
+    Attributes
+    ----------
+    backplane : bool
+        Not sure what this does but stellarphot doesn't use it. Default: False
+
+    radius : float
+        Aperture radius. Default: 15.0
+
+    rback1 : float
+        Inner annulus radius. Default: 27.0
+
+    rback2 : float
+        Outer annulus radius. Default: 41.0
+
+    removebackstars : bool
+        Whether to remove stars in the annulus from the photometry. Default: True
+
     """
     def __init__(self):
+        """
+        Initialize and set default values for the attributes of the aperture object instance.
+        """
+
         # Outer annulus radius
         self.rback2 = 41.0
 
@@ -53,9 +75,48 @@ def __eq__(self, other):
 
 class MultiApertureAIJ:
     """
-    Class to represent the multi-aperture information that AstroImageJ saves
+    Multi-aperture information that AstroImageJ saves.
+
+    Attributes
+    ----------
+
+    absmagapertures : list
+        List of absolute magnitudes of the apertures.
+
+    apfwhmfactor : float
+        Factor to multiply the aperture radius by relative to the FWHM. Default: 1.4
+
+    centroidstar : list
+        List of booleans indicating whether the aperture is a centroid star.
+
+    decapertures : list
+        List of Declinations of the apertures.
+
+    isalignstar : list
+        List of booleans indicating whether the aperture is an alignment star.
+
+    isrefstar : list
+        List of booleans indicating whether the aperture is a reference star.
+
+    naperturesmax : float
+        Maximum number of apertures. Default: 1000
+
+    raapertures : list
+        List of Right Ascensions of the apertures.
+
+    usevarsizeap : bool
+        Whether to use variable size apertures. Default: False
+
+    xapertures : list
+        List of x positions of the apertures.
+
+    yapertures : list
+        List of y positions of the apertures.
     """
     def __init__(self):
+        """
+        Initialize and set default values for the attributes of the multi-aperture object instance.
+        """
         # Default values for these chosen to match AIJ defaults
         # They are not used by stellarphot
         self.naperturesmax = 1000
@@ -133,8 +194,19 @@ class ApertureFileAIJ:
     """
     Class to represent AstroImageJ aperture file.
 
+    Attributes
+    ----------
+
+    aperture : `~stellarphot.io.ApertureAIJ`
+        Aperture information.
+`
+    multiaperture : `~stellarphot.io.MultiApertureAIJ`
+        Multi-aperture information.
     """
     def __init__(self):
+        """
+        Initialize the AstroImageJ aperture file instance.
+        """
         self.aperture = ApertureAIJ()
         self.multiaperture = MultiApertureAIJ()
 
@@ -179,7 +251,7 @@ def write(self, file):
     @classmethod
     def read(cls, file):
         """
-        Generate aperture object from file. Happily, each line is basically a path
+        Generate aperture object from file.  Each line is basically a path
         to an attribute name followed by a value.
 
         Parameters
@@ -221,7 +293,7 @@ def from_table(cls, aperture_table,
                    default_centroidstar=True,
                    y_size=4096):
         """
-        Create an `stellarphot.io.ApertureFileAIJ` from a stellarphot aperture
+        Create an `~stellarphot.io.ApertureFileAIJ` from a stellarphot aperture
         table and info about the aperture sizes.
 
         Parameters
@@ -238,7 +310,13 @@ def from_table(cls, aperture_table,
 
         outer_annulus : number
             Outer radius of annulus.
+
+        Returns
+        -------
+        apAIJ: `~stellarphot.io.ApertureFileAIJ`
+            ApertureFileAIJ object representing the aperture table.
         """
+
         # Create the instance
         apAIJ = cls()
 
@@ -433,62 +511,74 @@ class Star(object):
     """
     A class for storing photometry for a single star.
 
+    Parameters
+    ----------
+
+    table : `astropy.table.Table`
+        Table of photometry for a single star.
+
+    id_num : int
+        ID number of the star.
+
     Attributes
     ----------
 
-    airmass : `~astropy.units.Quantity`
+    airmass : `astropy.units.Quantity`
         Airmass at the time of observation.
 
-    counts : `~astropy.units.Quantity`
-        Net counts in the aperture.
+    bjd_tdb : `astropy.units.Quantity`
+        Midpoint of the exposure as barycentric Julian date in Barycentric Dynamical Time.
 
-    ra : `~astropy.units.Quantity`
-        Right ascension of the star.
+    counts : `astropy.units.Quantity`
+        Net counts in the aperture.
 
-    dec : `~astropy.units.Quantity`
+    dec : `astropy.units.Quantity`
         Declination of the star.
 
-    error : `~astropy.units.Quantity`
+    error : `astropy.units.Quantity`
         Error in the net counts.
 
-    sky_per_pixel : `~astropy.units.Quantity`
-        Sky brightness per pixel.
-
-    peak : `~astropy.units.Quantity`
-        Peak counts in the aperture.
+    exposure : `astropy.units.Quantity`
+        Exposure time of the observation.
 
-    jd_utc_start : `~astropy.units.Quantity`
-        Julian date of the start of the observation.
+    id: int
+        ID number of the star.
 
-    mjd_utc_start : `~astropy.units.Quantity`
-        Modified Julian date of the start of the observation.
+    jd_utc_end : `astropy.units.Quantity`
+        Julian date of the end of the observation.
 
-    jd_utc_mid : `~astropy.units.Quantity`
+    jd_utc_mid : `astropy.units.Quantity`
         Julian date of the middle of the observation.
 
-    mjd_utc_mid : `~astropy.units.Quantity`
-        Modified Julian date of the middle of the observation.
+    jd_utc_start : `astropy.units.Quantity`
+        Julian date of the start of the observation.
 
-    jd_utc_end : `~astropy.units.Quantity`
-        Julian date of the end of the observation.
+    magnitude : `astropy.units.Quantity`
+        Magnitude of the star.
+
+    magnitude_error : `astropy.units.Quantity`
+        Error in the magnitude of the star.
 
-    mjd_utc_end : `~astropy.units.Quantity`
+    mjd_utc_end : `astropy.units.Quantity`
         Modified Julian date of the end of the observation.
 
-    exposure : `~astropy.units.Quantity`
-        Exposure time of the observation.
+    mjd_utc_mid : `astropy.units.Quantity`
+        Modified Julian date of the middle of the observation.
 
-    magnitude : `~astropy.units.Quantity`
-        Magnitude of the star.
+    mjd_utc_start : `astropy.units.Quantity`
+        Modified Julian date of the start of the observation.
 
-    snr : `~astropy.units.Quantity`
-        Signal-to-noise ratio of the star.
+    peak : `astropy.units.Quantity`
+        Peak counts in the aperture.
 
-    magnitude_error : `~astropy.units.Quantity`
-        Error in the magnitude of the star.
+    ra : `astropy.units.Quantity`
+        Right ascension of the star.
+
+    sky_per_pixel : `astropy.units.Quantity`
+        Sky brightness per pixel.
 
-    bjd_tdb : `~astropy.units.Quantity`
-        Barycentric Dynamical Time taking into account relativity.
+    snr : `astropy.units.Quantity`
+        Signal-to-noise ratio of the star.
     """
     def __init__(self, table, id_num):
         self._table = table
diff --git a/stellarphot/io/tess.py b/stellarphot/io/tess.py
index c9951daa..bacd7c6d 100644
--- a/stellarphot/io/tess.py
+++ b/stellarphot/io/tess.py
@@ -64,7 +64,7 @@ class TessSubmission:
     apertures: str
         The name of the apertures file, e.g. "TIC123456789-01_20200101_SRO_Ic_measurements.apertures"
 
-    tic_coord: `astropycoordinates.SkyCoord`
+    tic_coord: `astropy.coordinates.SkyCoord`
         The SkyCoord of the target, from the TIC catalog.
     """
     telescope_code: str
@@ -213,26 +213,11 @@ def invalid_parts(self):
 class TOI:
     """ A class to hold information about a TOI (TESS Object of Interest).
 
-    Parameters
-    ----------
-
-    tic_id: int
-        The TIC ID of the target.
-
-    toi_table: str, optional
-        The path to the TOI table. If not provided, the default table will be downloaded.
-
-    allow_download: bool, optional
-        Whether to allow the default table to be downloaded if it is not found.
-
     Attributes
     ----------
 
-    tess_mag: float
-        The TESS magnitude of the target.
-
-    tess_mag_error: float
-        The uncertainty in the TESS magnitude.
+    coord: `astropy.coordinates.SkyCoord`
+        The coordinates of the target.
 
     depth: float
         The transit depth of the target.
@@ -240,6 +225,12 @@ class TOI:
     depth_error: float
         The uncertainty in the transit depth.
 
+    duration: float
+        The duration of the transit.
+
+    duration_error: float
+        The uncertainty in the duration of the transit.
+
     epoch: float
         The epoch of the transit.
 
@@ -252,19 +243,32 @@ class TOI:
     period_error: float
         The uncertainty in the period of the transit.
 
-    duration: float
-        The duration of the transit.
-
-    duration_error: float
-        The uncertainty in the duration of the transit.
+    tess_mag: float
+        The TESS magnitude of the target.
 
-    coord: SkyCoord
-        The coordinates of the target.
+    tess_mag_error: float
+        The uncertainty in the TESS magnitude.
 
     tic_id: int
         The TIC ID of the target.
     """
     def __init__(self, tic_id, toi_table=DEFAULT_TABLE_LOCATION, allow_download=True):
+        """
+        Initialize a TOI object.
+
+        Parameters
+        ----------
+
+        tic_id: int
+            The TIC ID of the target.
+
+        toi_table: str, optional
+            The path to the TOI table. If not provided, the default table will be downloaded.
+
+        allow_download: bool, optional
+            Whether to allow the default table to be downloaded if it is not found.
+
+        """
         path = Path(toi_table)
         if not path.is_file():
             if not allow_download:
@@ -353,6 +357,32 @@ class TessTargetFile:
 
     aperture_server : str, optional
         The URL of the aperture server. default: https://www.astro.louisville.edu/
+
+
+    Attributes
+    ----------
+
+    aperture_server : str
+        The URL of the aperture server.
+
+    coord : `astropy.coordinates.SkyCoord`
+        The coordinates of the target.
+
+    depth : float
+        The depth of the transit.
+
+    file : str
+        The path to the target file. If not provided, a temporary file will be created.
+
+    magnitude : float
+        The magnitude of the target.
+
+    target_file : str
+        The path to the target file.
+
+    target_table : `astropy.table.Table`
+        The target table.
+
     """
     coord : SkyCoord
     magnitude : float
diff --git a/stellarphot/photometry.py b/stellarphot/photometry.py
index 47a842da..dd2f86a7 100644
--- a/stellarphot/photometry.py
+++ b/stellarphot/photometry.py
@@ -33,12 +33,12 @@ def photutils_stellar_photometry(ccd_image, sources,
 
     Parameters
     ----------
-    ccd_image : `~ccdproc.CCDData`
+    ccd_image : `ccdproc.CCDData`
         Image on which to perform aperture photometry.
 
-    sources : `~astropy.table.Table`
+    sources : `astropy.table.Table`
         Table of extracted sources. Assumed to be the output of
-        `~photutils.daofind()` source extraction function.
+        `photutils.daofind()` source extraction function.
 
     aperture_radius : float
         Radius of aperture(s) in pixels.
@@ -64,7 +64,7 @@ def photutils_stellar_photometry(ccd_image, sources,
 
     Returns
     -------
-    phot_table : `~astropy.table.Table`
+    phot_table : `astropy.table.Table`
         Astropy table with columns for flux, x/y coordinates of center,
         RA/dec coordinates of center, sky background per pixel,
         net flux, aperture and annulus radii used, and flux error.
@@ -226,7 +226,7 @@ def clipped_sky_per_pix_stats(data, annulus, sigma=5, iters=5):
     data : `astropy.nddata.CCDData`
         CCD image on which the annuli are defined.
 
-    annulus : photutils annulus
+    annulus : `photutils.CircularAnnulus`
         One or more annulus (of any shape) from photutils.
 
     sigma : float, optional
@@ -280,17 +280,17 @@ def add_to_photometry_table(phot, ccd, annulus, apertures, fname='',
     Parameters
     ----------
 
-    phot : astropy.table.Table
+    phot : `astropy.table.Table`
         An astropy Table with raw photometry data in it (generated by
         `photutils.aperture_photometry`).
 
-    ccd : astropy.nddata.CCDData
+    ccd : `astropy.nddata.CCDData`
         Image on which photometry is being done.
 
-    annulus : photutils annulus
+    annulus : `photutils.CircularAnnulus`
         One or more annulus (of any shape) from photutils.
 
-    apertures : photutils apertures
+    apertures : `photutils.CircularAperture`
         One or more apertures (of any shape) from photutils.
 
     fname : str, optional
@@ -442,7 +442,7 @@ def photometry_on_directory(directory_with_images, object_of_interest,
     star_ids : array-like
         Unique identifier for each source in ``star_locs``.
 
-    camera : `stellarphot.Camera` object
+    camera : `~stellarphot.Camera`
         Camera object which has gain, read noise and dark current set.
 
     gain : float
@@ -606,14 +606,15 @@ def calculate_noise(gain=1.0, read_noise=0.0, dark_current_per_sec=0.0,
                     aperture_area=0, annulus_area=0,
                     exposure=0,
                     include_digitization=False):
-    """Computes the noise in a photometric measurement.
+    """
+    Computes the noise in a photometric measurement.
 
     This function computes the noise (in units of gain) in a photometric measurement using the
     revised CCD equation from Collins et al (2017) AJ, 153, 77.  The equation is:
 
     .. math::
 
-    \sigma = \sqrt{G \cdot F + A \cdot \left(1 + \frac{A}{B}\right)\cdot \left[ G\cdot S + D \cdot t + R^2 + (0.289 G)^2\right]}
+        \\sigma = \\sqrt{G \\cdot F + A \\cdot \\left(1 + \\frac{A}{B}\\right)\\cdot \\left[ G\\cdot S + D \\cdot t + R^2 + (0.289 G)^2\\right]}
 
     where :math:`\sigma` is the noise, :math:`G` is the gain, :math:`F` is the flux,
     :math:`A` is the aperture area in pixels, :math:`B` is the annulus area in pixels,
@@ -622,8 +623,9 @@ def calculate_noise(gain=1.0, read_noise=0.0, dark_current_per_sec=0.0,
 
     Note: The :math:`(0.289 G)^2` term is "digitization noise" and is optional.
 
-    Parameters:
-    -----------
+    Parameters
+    ----------
+
     gain : float, optional
         Gain of the CCD. In units of electrons per DN.
 
@@ -651,9 +653,10 @@ def calculate_noise(gain=1.0, read_noise=0.0, dark_current_per_sec=0.0,
     include_digitization : bool, optional
         Whether to include the digitization noise. Defaults to False.
 
-    Returns:
-    --------
-    float
+    Returns
+    -------
+
+    noise : float
         The noise in the photometric measurement.
     """
 
@@ -695,10 +698,10 @@ def find_times(phot_column, exposure, ra, dec,
     Parameters
     ----------
 
-    phot_column : astropy Table column or numpy array
+    phot_column : `astropy.table.Column` or numpy array
         numpy array or column of observation dates from the photometry table
 
-    exposure : float; optional
+    exposure : float, optional
         exposure time in seconds
 
     RA : float
@@ -707,10 +710,10 @@ def find_times(phot_column, exposure, ra, dec,
     Dec : float
         Declination  in degree units
 
-    latitude : float; optional
+    latitude : float, optional
         latitude of the observatory in degrees North, default is for Paul P. Feder Observatory
 
-    longitude : float; optional
+    longitude : float, optional
         longitude of the observatory in degree East of Greenwich (0 to 360), default
         is for Paul P. Feder Observatory
 
diff --git a/stellarphot/source_detection.py b/stellarphot/source_detection.py
index 45cc744b..fb2d6c8c 100644
--- a/stellarphot/source_detection.py
+++ b/stellarphot/source_detection.py
@@ -33,7 +33,7 @@ def _fit_2dgaussian(data):
 
     Returns
     -------
-    gfit : astropy.modeling.Model
+    gfit : `astropy.modeling.Model`
         The best-fit 2D Gaussian model.
     """
     props = data_properties(data - np.min(data))
@@ -60,7 +60,8 @@ def compute_fwhm(ccd, sources, fwhm_estimate=5,
                  x_column='xcenter', y_column='ycenter',
                  fit=True,
                  sky_per_pix_avg=0):
-    """Computes the FWHM in both x and y directions of sources in an image.
+    """
+    Computes the FWHM in both x and y directions of sources in an image.
 
     Parameters
     ----------
@@ -150,7 +151,7 @@ def source_detection(ccd, fwhm=8, sigma=3.0, iters=5,
     Parameters
     ----------
 
-    ccd : numpy.ndarray
+    ccd : `astropy.nddata.CCDData`
         The CCD Image array.
 
     fwhm : float, optional
@@ -177,9 +178,9 @@ def source_detection(ccd, fwhm=8, sigma=3.0, iters=5,
     Returns
     -------
 
-    sources
-        an astropy table of the positions of sources in the image.
-        If `find_fwhm` is ``True``, includes a column called ``FWHM``.
+    sources: `astropy.table.Table`
+        A table of the positions of sources in the image.  If `find_fwhm` is
+        ``True``, includes a column called ``FWHM``.
     """
     mean, median, std = sigma_clipped_stats(ccd, sigma=sigma, maxiters=iters)
     daofind = DAOStarFinder(fwhm=fwhm, threshold=threshold * std)
diff --git a/stellarphot/visualization/aij_plots.py b/stellarphot/visualization/aij_plots.py
index c44c6fbe..673c7d76 100644
--- a/stellarphot/visualization/aij_plots.py
+++ b/stellarphot/visualization/aij_plots.py
@@ -109,22 +109,22 @@ def plot_predict_ingress_egress(ingress_time, egress_time, end_line=1,
     """
     Parameters
     ----------
-    ingress_time : number
+    ingress_time : float
         the beginning of an exoplanet transit
 
-    egress_time : number
+    egress_time : float
         the end of an exoplanet transit
 
-    end_line : number
+    end_line : float
         offset to move the vertical lines
 
-    ingress_x_pos : number
+    ingress_x_pos : float
         offset to center ingress label
 
-    egress_x_pos : number
+    egress_x_pos : float
         offset to center egress label
 
-    labels_y_pos : number
+    labels_y_pos : float
         offset to move ingress and egress labels
 
     Returns
diff --git a/stellarphot/visualization/comparison_functions.py b/stellarphot/visualization/comparison_functions.py
index 0b47ba12..9137ea75 100644
--- a/stellarphot/visualization/comparison_functions.py
+++ b/stellarphot/visualization/comparison_functions.py
@@ -59,7 +59,8 @@ def read_file(radec_file):
 
 
 def set_up(sample_image_for_finding_stars, directory_with_images='.'):
-    """Read in sample image and find known variables in the field of view.
+    """
+    Read in sample image and find known variables in the field of view.
 
     Parameters
     ----------
@@ -151,7 +152,8 @@ def crossmatch_APASS2VSX(CCD, RD, vsx):
 
 def mag_scale(cmag, apass, v_angle, RD_angle,
               brighter_dmag=0.44, dimmer_dmag=0.75):
-    """Select comparison stars that are 1) not close the VSX stars or to other
+    """
+    Select comparison stars that are 1) not close the VSX stars or to other
     target stars and 2) fall within a particular magnitude range.
 
     Parameters
@@ -203,7 +205,8 @@ def mag_scale(cmag, apass, v_angle, RD_angle,
 
 
 def in_field(apass_good_coord, ccd, apass, good_stars):
-    """Return APASS stars in the field of view.
+    """
+    Return APASS stars in the field of view.
 
     Parameters
     ----------
@@ -240,7 +243,8 @@ def in_field(apass_good_coord, ccd, apass, good_stars):
 
 
 def make_markers(iw, ccd, RD, vsx, ent, name_or_coord=None):
-    """Add markers for APASS, TESS targets, VSX.  Also center on object/coordinate.
+    """
+    Add markers for APASS, TESS targets, VSX.  Also center on object/coordinate.
 
     Parameters
     ----------
@@ -300,7 +304,8 @@ def make_markers(iw, ccd, RD, vsx, ent, name_or_coord=None):
 
 
 def wrap(imagewidget, outputwidget):
-    """Utility function to let you click to select/deselect comparisons.
+    """
+    Utility function to let you click to select/deselect comparisons.
 
     Parameters
     ----------
@@ -357,34 +362,8 @@ def cb(viewer, event, data_x, data_y):
 
 
 class ComparisonViewer:
-    """A class to store an instance of the comparison viewer.
-
-    Parameters
-    ----------
-
-    file : str, optional
-        File to open.
-
-    directory : str, optional
-        Directory to open file from.
-
-    target_mag : float, optional
-        Magnitude of the target.
-
-    bright_mag_limit : float, optional
-        Bright magnitude limit for APASS stars.
-
-    dim_mag_limit : float, optional
-        Dim magnitude limit for APASS stars.
-
-    targets_from_file : str, optional
-        File with target information.
-
-    object_coordinate : `astropy.coordinates.SkyCoord`, optional
-        Coordinates of the target.
-
-    aperture_output_file : str, optional
-        File to save aperture information to.
+    """
+    A class to store an instance of the comparison viewer.
 
     Attributes
     ----------
@@ -401,7 +380,7 @@ class ComparisonViewer:
     targets_from_file : str
         File with target information.
 
-    tess_submission : `tess_stars2px.TessStars2Px`
+    tess_submission : `~stellarphot.io.TessSubmission`
         Instance of the TESS submission class.
 
     target_coord : `astropy.coordinates.SkyCoord`
@@ -425,6 +404,36 @@ def __init__(self,
                  targets_from_file=None,
                  object_coordinate=None,
                  aperture_output_file=None):
+        """
+        Initializes an instance of the ComparisonViewer class.
+
+        Parameters
+        ----------
+
+        file : str, optional
+            File to open. Defaults to "".
+
+        directory : str, optional
+            Directory to open file from. Defaults to '.'.
+
+        target_mag : float, optional
+            Magnitude of the target. Defaults to 10.
+
+        bright_mag_limit : float, optional
+            Bright magnitude limit for APASS stars. Defaults to 8.
+
+        dim_mag_limit : float, optional
+            Dim magnitude limit for APASS stars.  Defaults to 17.
+
+        targets_from_file : str, optional
+            File with target information.  Defaults to None.
+
+        object_coordinate : `astropy.coordinates.SkyCoord`, optional
+            Coordinates of the target. Defaults to None.
+
+        aperture_output_file : str, optional
+            File to save aperture information to.  Defaults to None.
+        """
 
         self._label_name = 'labels'
         self._circle_name = 'target circle'
@@ -451,7 +460,7 @@ def __init__(self,
 
     def _init(self):
         """
-        Some initialization needs to be defered until a file is chosen.
+        Handles aspects of initialization that need to be defered until a file is chosen.
         """
         if self.tess_submission is not None:
             self._tess_object_info.layout.visibility = "visible"
@@ -475,7 +484,8 @@ def _init(self):
 
     @property
     def variables(self):
-        """ Return a dictionary of the variables in the class.
+        """
+        Return a dictionary of the variables in the class.
 
         Returns
         -------
@@ -831,6 +841,7 @@ def show_circle(self,
 
         radius : `astropy.units.Quantity`, optional
             Radius of circle. The default is ``2.5*u.arcmin``.
+
         pixel_scale : `astropy.units.Quantity`, optional
             Pixel scale of image. The default is ``0.56*u.arcsec/u.pixel``.
 
diff --git a/stellarphot/visualization/fits_opener.py b/stellarphot/visualization/fits_opener.py
index 941ee24e..a1dfe49c 100644
--- a/stellarphot/visualization/fits_opener.py
+++ b/stellarphot/visualization/fits_opener.py
@@ -15,15 +15,16 @@ class FitsOpener:
 
     Attributes
     ----------
+
+    ccd : `astropy.nddata.CCDData`
+        The selected FITS file as a CCDData object.
+
     file_chooser : `ipyfilechooser.FileChooser`
         The actual FileChooser widget.
 
     header : dict
         The header of the selected FITS file.
 
-    ccd : `astropy.nddata.CCDData`
-        The selected FITS file as a CCDData object.
-
     path : `pathlib.Path`
         The path to the selected FITS file.
 
@@ -32,6 +33,20 @@ class FitsOpener:
         selected file changes.
     """
     def __init__(self, title="Choose an image", filter_pattern=None, **kwargs):
+        """
+        Initializes an instance of the FitsOpener class, which is a wrapper around
+        the `ipyfilechooser.FileChooser` widget that (if no `filter_pattern` is given)
+        defaults to showing only FITS files.
+
+        Parameters
+        ----------
+
+        title : str, optional
+            The title of the FileChooser widget. The default is "Choose an image".
+
+        filter_pattern : str, optional
+            The filter pattern to use for the FileChooser widget. The default is None,
+        """
         self._fc = FileChooser(title=title, **kwargs)
         if not filter_pattern:
             self._fc.filter_pattern = ['*.fit*', '*.fit*.[bg]z']
@@ -115,7 +130,7 @@ def load_in_image_widget(self, image_widget):
 
     def set_file(self, file, directory=None):
         """
-        Set the selected file of the ``FileChooser`` to be the input file.
+        Set the selected file of the `ipyfilechooser.FileChooser` to be the input file.
 
         Parameters
         ----------
@@ -126,7 +141,7 @@ def set_file(self, file, directory=None):
 
         directory : Path-like, optional
             Directory the file is in. The default value is the current directory of the
-            ``FileChooser``.
+            `ipyfilechooser.FileChooser`.
         """
         if directory is None:
             directory = self._fc.selected_path
diff --git a/stellarphot/visualization/multi_night_plots.py b/stellarphot/visualization/multi_night_plots.py
index 1c49e689..88b20a7c 100644
--- a/stellarphot/visualization/multi_night_plots.py
+++ b/stellarphot/visualization/multi_night_plots.py
@@ -14,7 +14,8 @@
 def plot_magnitudes(mags=None, errors=None, times=None,
                     source=None, night=None, ref_mag=0,
                     alpha=0.25, y_range=None):
-    """Plot one night of magnitude data for one source, overlaying a rolling
+    """
+    Plot one night of magnitude data for one source, overlaying a rolling
     mean and indication of mean/deviation.
 
     Parameters
@@ -98,7 +99,8 @@ def plot_magnitudes(mags=None, errors=None, times=None,
 def multi_night(sources, unique_nights, night,
                 brightest_mag, mags, mag_err,
                 uniform_ylim=True):
-    """Plot magnitude vs time data for several sources over several nights.
+    """
+    Plot magnitude vs time data for several sources over several nights.
 
     Parameters
     ----------
diff --git a/stellarphot/visualization/photometry_widget_functions.py b/stellarphot/visualization/photometry_widget_functions.py
index 2a89ae23..771bb302 100644
--- a/stellarphot/visualization/photometry_widget_functions.py
+++ b/stellarphot/visualization/photometry_widget_functions.py
@@ -14,22 +14,28 @@ class PhotometrySettings:
 
     Attributes
     ----------
-    box : `~ipywidgets.VBox`
-        The box containing the widgets.
-
-    image_folder : `~pathlib.Path`
-        The path to the folder containing the images.
-
-    aperture_locations : `~pathlib.Path`
+    aperture_locations : `pathlib.Path`
         The path to the file containing the aperture locations.
 
     aperture_radius : int
         The radius of the aperture.
 
+    box : `ipywidgets.VBox`
+        The box containing the widgets.
+
+    ifc : `ccdproc.ImageFileCollection`
+        The image file collection for the images.
+
+    image_folder : `pathlib.Path`
+        The path to the folder containing the images.
+
     object_name : str
         The name of the object.
     """
     def __init__(self):
+        """
+        Initialize an instance of the PhotometrySettings widget.
+        """
         self._image_dir = FileChooser(title="Choose folder with images", show_only_dirs=True)
         self._aperture_file_loc = FileChooser(title='Choose aperture location file')
         self._aperture_settings_loc = FileChooser(title='Choose file with aperture settings')
diff --git a/stellarphot/visualization/seeing_profile_functions.py b/stellarphot/visualization/seeing_profile_functions.py
index f750ec97..c4b4e465 100644
--- a/stellarphot/visualization/seeing_profile_functions.py
+++ b/stellarphot/visualization/seeing_profile_functions.py
@@ -40,7 +40,7 @@ def set_keybindings(image_widget, scroll_zoom=False):
     Parameters
     ----------
 
-    image_widget : astrowidgets.ImageWidget
+    image_widget : `astrowidgets.ImageWidget`
         Image widget on which to set the key bindings.
 
     scroll_zoom : bool, optional
@@ -92,7 +92,7 @@ def find_center(image, center_guess, cutout_size=30, max_iters=10):
     Parameters
     ----------
 
-    image : numpy array or CCDData
+    image : `astropy.nddata.CCDData` or numpy array
         Image containing the star.
 
     center_guess : array or tuple
@@ -158,13 +158,14 @@ def find_center(image, center_guess, cutout_size=30, max_iters=10):
 
 
 def radial_profile(data, center, size=30, return_scaled=True):
-    """Construct a radial profile of a chunk of width ``size`` centered
+    """
+    Construct a radial profile of a chunk of width ``size`` centered
     at ``center`` from image ``data`.
 
     Parameters
     ----------
 
-    data : numpy array or CCDData
+    data : `astropy.nddata.CCDData` or numpy array
         Image data
 
     center : list-like
@@ -186,7 +187,7 @@ def radial_profile(data, center, size=30, return_scaled=True):
         Exact radius of center of each pixels from profile center.
 
     ravg : numpy array
-        Average radius of pixels in each bin.
+        Average radius in pixels used in constructing profile.
 
     radialprofile : numpy array
         Radial profile.
@@ -216,7 +217,8 @@ def radial_profile(data, center, size=30, return_scaled=True):
 
 
 def find_hwhm(r, intensity):
-    """Estimate the half-width half-max from normalized, angle-averaged intensity profile.
+    """
+    Estimate the half-width half-max from normalized, angle-averaged intensity profile.
 
     Parameters
     ----------
@@ -256,7 +258,8 @@ def find_hwhm(r, intensity):
 
 
 class RadialProfile:
-    """ Class to hold radial profile information for a star.
+    """
+    Class to hold radial profile information for a star.
 
     Parameters
     ----------
@@ -282,14 +285,53 @@ class RadialProfile:
     FWHM : float
         Full-width half-max of the radial profile.
 
+    profile_size : int
+        Size of the cutout used to construct the radial profile.
+
     radius_values : numpy array
         Radius values for the radial profile.
+
+    r_exact : numpy array
+        Exact radius of center of each pixels from profile center.
+
+    ravg : numpy array
+        Average radius in pixels used in constructing profile.
+
     """
     def __init__(self, data, x, y):
+        """
+        Initialize the radial profile object instance.  Sets the center
+        of the star and the image data.
+
+        Parameters
+        ----------
+
+        data : numpy array
+            Image data.
+
+        x : int
+            x position of the star.
+
+        y : int
+            y position of the star.
+
+
+        """
         self.cen = find_center(data, (x, y), cutout_size=30)
         self.data = data
 
     def profile(self, profile_size):
+        """
+        Construct the radial profile of the star.  Sets
+        ``r_exact``, ``ravg``, and ``radialprofile`` attributes.
+
+        Parameters
+        ----------
+
+        profile_size : int
+            Size of the cutout to use in constructing the profile.
+
+        """
         self.profile_size = profile_size
         self.r_exact, self.ravg, self.radialprofile = (
             radial_profile(self.data,
@@ -314,29 +356,31 @@ def radius_values(self):
 
 
 def box(imagewidget):
-    """Compatibility layer for older versions of the photometry notebooks.
+    """
+    Compatibility layer for older versions of the photometry notebooks.
 
     Parameters
     ----------
 
-    imagewidget : ImageWidget
+    imagewidget : `astrowidgets.ImageWidget`
         ImageWidget instance to use for the seeing profile.
 
     Returns
     -------
 
-    box : ipywidgets.Box
+    box : `ipywidgets.VBox`
         Box containing the seeing profile widget.
     """
     return SeeingProfileWidget(imagewidget=imagewidget).box
 
 
 class SeeingProfileWidget:
-    """A class for storing an instance of a widget displaying the seeing profile of stars in an image.
+    """
+    A class for storing an instance of a widget displaying the seeing profile of stars in an image.
 
     Parameters
     ----------
-    imagewidget : ImageWidget, optional
+    imagewidget : `astrowidgets.ImageWidget`, optional
         ImageWidget instance to use for the seeing profile.
 
     width : int, optional