Flat /raid/aavsonet/bsm_s/170227/FlatB.fits Flat /raid/aavsonet/bsm_s/170227/FlatGR.fits Flat /raid/aavsonet/bsm_s/170227/FlatGr.fits Flat /raid/aavsonet/bsm_s/170227/FlatGRH.fits Flat /raid/aavsonet/bsm_s/170227/FlatI.fits Flat /raid/aavsonet/bsm_s/170227/FlatR.fits Flat /raid/aavsonet/bsm_s/170227/FlatV.fits