Flat /raid/aavsonet/bsm_s/170617/FlatB.fits Flat /raid/aavsonet/bsm_s/170617/FlatGR.fits Flat /raid/aavsonet/bsm_s/170617/FlatGr.fits Flat /raid/aavsonet/bsm_s/170617/FlatGRH.fits Flat /raid/aavsonet/bsm_s/170617/FlatI.fits Flat /raid/aavsonet/bsm_s/170617/FlatR.fits Flat /raid/aavsonet/bsm_s/170617/FlatV.fits