home_folder = '/Users/pieter/'
science_folder= home_folder + 'science/'
science_origdata_folder = '/Users/pieter/science_origdata/'

firstdata_folder = science_origdata_folder + 'first/archive.stsci.edu/pub/vla_first/data/'
cutout_folder = home_folder + 'first_cutouts/cutouts/'
sdss_folder = science_folder + 'sdss/'
qsodata_folder = sdss_folder + 'qso/dr7/'

# Setup the folders for your local installation here

home_folder = '/Users/pieter/'
science_folder = home_folder + 'science/'  # modified data folder
science_origdata_folder = '/Users/pieter/science_origdata/'  # unmodified data folder

firstdata_folder = science_origdata_folder + 'first/archive.stsci.edu/pub/vla_first/data/'  # FIRST images folder
cutout_folder = home_folder + 'first_cutouts/cutouts/'  # cutout folder
sdss_folder = science_folder + 'sdss/'  # SDSS data folder (modified)
qsodata_folder = sdss_folder + 'qso/dr7/'  # SDSS DR7 quasar data, Shen et al. (2011), ApJS, 194, 45 (https://arxiv.org/abs/1006.5178) available from http://quasar.astro.illinois.edu/BH_mass/dr7.htm

Add brief description folders.py