The workhorse photmetry routine that powers codes like wcs_photom_zp, wcs_photom_zp, usno_photcal, and zpstars. Biscally, this tkaes and image with a corresponding ds9 regions file and computes photometry fr each aperture.

 
% mido.sh --help   

% mido.sh ./local_red/FIXUP/20191022T025524.2_acm_sci.fits