Flat /raid/aavsonet/bsm_s/170510/FlatB.fits Flat /raid/aavsonet/bsm_s/170510/FlatGR.fits Flat /raid/aavsonet/bsm_s/170510/FlatGr.fits Flat /raid/aavsonet/bsm_s/170510/FlatGRH.fits Flat /raid/aavsonet/bsm_s/170510/FlatI.fits Flat /raid/aavsonet/bsm_s/170510/FlatR.fits Flat /raid/aavsonet/bsm_s/170510/FlatV.fits