Flat /raid/aavsonet/bsm_s/170828/FlatB.fits Flat /raid/aavsonet/bsm_s/170828/FlatGR.fits Flat /raid/aavsonet/bsm_s/170828/FlatGr.fits Flat /raid/aavsonet/bsm_s/170828/FlatGRH.fits Flat /raid/aavsonet/bsm_s/170828/FlatI.fits Flat /raid/aavsonet/bsm_s/170828/FlatR.fits Flat /raid/aavsonet/bsm_s/170828/FlatV.fits