Flat /raid/aavsonet/bsm_s/200420/FlatB.fits Flat /raid/aavsonet/bsm_s/200420/FlatI.fits Flat /raid/aavsonet/bsm_s/200420/FlatR.fits Flat /raid/aavsonet/bsm_s/200420/FlatSG.fits Flat /raid/aavsonet/bsm_s/200420/FlatSI.fits Flat /raid/aavsonet/bsm_s/200420/FlatSR.fits Flat /raid/aavsonet/bsm_s/200420/FlatV.fits