Flat /raid/aavsonet/bsm_s/170304/FlatB.fits Flat /raid/aavsonet/bsm_s/170304/FlatGR.fits Flat /raid/aavsonet/bsm_s/170304/FlatGr.fits Flat /raid/aavsonet/bsm_s/170304/FlatGRH.fits Flat /raid/aavsonet/bsm_s/170304/FlatI.fits Flat /raid/aavsonet/bsm_s/170304/FlatR.fits Flat /raid/aavsonet/bsm_s/170304/FlatV.fits