A guide to CCD data reduction and stellar photometry using astropy and affiliated packages The inspiration for this work is two guides and a book: A User's Guide to Stellar CCD Photometry with IRAF Massey and Davis (1992) [A User's Guide to CCD Reductions with IRAF](A User's Guide to CCD Reductions with IRAF) Massey (1997) Try out the notebooks in the cloud: click the button below