Flat /raid/aavsonet/bsm_s/170515/FlatB.fits Flat /raid/aavsonet/bsm_s/170515/FlatGR.fits Flat /raid/aavsonet/bsm_s/170515/FlatGr.fits Flat /raid/aavsonet/bsm_s/170515/FlatGRH.fits Flat /raid/aavsonet/bsm_s/170515/FlatI.fits Flat /raid/aavsonet/bsm_s/170515/FlatR.fits Flat /raid/aavsonet/bsm_s/170515/FlatV.fits