Flat /raid/aavsonet/bsm_s/170416/FlatB.fits Flat /raid/aavsonet/bsm_s/170416/FlatGR.fits Flat /raid/aavsonet/bsm_s/170416/FlatGr.fits Flat /raid/aavsonet/bsm_s/170416/FlatGRH.fits Flat /raid/aavsonet/bsm_s/170416/FlatI.fits Flat /raid/aavsonet/bsm_s/170416/FlatR.fits Flat /raid/aavsonet/bsm_s/170416/FlatV.fits