flat_fielding

excalibuhr.utils.flat_fielding(det, err, flat, debug=False)

apply flat fielding

Parameters:

• det (array) – detector images

• err (array) – the assciated errors to the input images

• flat (array) – normalized flat frame (accounting for only the pixel-to-pixel variations)

Returns:

im_corr, err_corr – images and errors corrected for flat

Return type:

array