Flat /raid/aavsonet/bsm_s/170319/FlatB.fits Flat /raid/aavsonet/bsm_s/170319/FlatGR.fits Flat /raid/aavsonet/bsm_s/170319/FlatGr.fits Flat /raid/aavsonet/bsm_s/170319/FlatGRH.fits Flat /raid/aavsonet/bsm_s/170319/FlatI.fits Flat /raid/aavsonet/bsm_s/170319/FlatR.fits Flat /raid/aavsonet/bsm_s/170319/FlatV.fits