Flat /raid/aavsonet/bsm_s/200518/FlatB.fits Flat /raid/aavsonet/bsm_s/200518/FlatI.fits Flat /raid/aavsonet/bsm_s/200518/FlatR.fits Flat /raid/aavsonet/bsm_s/200518/FlatSG.fits Flat /raid/aavsonet/bsm_s/200518/FlatSI.fits Flat /raid/aavsonet/bsm_s/200518/FlatSR.fits Flat /raid/aavsonet/bsm_s/200518/FlatV.fits