Flat /raid/aavsonet/bsm_s/170827/FlatB.fits Flat /raid/aavsonet/bsm_s/170827/FlatGR.fits Flat /raid/aavsonet/bsm_s/170827/FlatGr.fits Flat /raid/aavsonet/bsm_s/170827/FlatGRH.fits Flat /raid/aavsonet/bsm_s/170827/FlatI.fits Flat /raid/aavsonet/bsm_s/170827/FlatR.fits Flat /raid/aavsonet/bsm_s/170827/FlatV.fits