Flat /raid/aavsonet/bsm_s/170423/FlatB.fits Flat /raid/aavsonet/bsm_s/170423/FlatGR.fits Flat /raid/aavsonet/bsm_s/170423/FlatGr.fits Flat /raid/aavsonet/bsm_s/170423/FlatGRH.fits Flat /raid/aavsonet/bsm_s/170423/FlatI.fits Flat /raid/aavsonet/bsm_s/170423/FlatR.fits Flat /raid/aavsonet/bsm_s/170423/FlatV.fits