fitsheader 660230_144_u.fits | grep MAGZERO
fitsheader 781365_170_g.fits | grep MAGZERO
fitsheader 755161_141_r.fits | grep MAGZERO
fitsheader 654496_187_i.fits | grep MAGZERO
fitsheader 707614_42_z.fits  | grep MAGZERO
fitsheader 647542_93_y.fits  | grep MAGZERO

ds9 660230_144_u.fits
ds9 781365_170_g.fits
ds9 755161_141_r.fits
ds9 654496_187_i.fits
ds9 707614_42_z.fits
ds9 647542_93_y.fits
