Flat /raid/aavsonet/bsm_s/170909/FlatB.fits Flat /raid/aavsonet/bsm_s/170909/FlatGR.fits Flat /raid/aavsonet/bsm_s/170909/FlatGr.fits Flat /raid/aavsonet/bsm_s/170909/FlatGRH.fits Flat /raid/aavsonet/bsm_s/170909/FlatI.fits Flat /raid/aavsonet/bsm_s/170909/FlatR.fits Flat /raid/aavsonet/bsm_s/170909/FlatV.fits