Flat /raid/aavsonet/bsm_s/170819/FlatB.fits Flat /raid/aavsonet/bsm_s/170819/FlatGR.fits Flat /raid/aavsonet/bsm_s/170819/FlatGr.fits Flat /raid/aavsonet/bsm_s/170819/FlatGRH.fits Flat /raid/aavsonet/bsm_s/170819/FlatI.fits Flat /raid/aavsonet/bsm_s/170819/FlatR.fits Flat /raid/aavsonet/bsm_s/170819/FlatV.fits