Flat /raid/aavsonet/bsm_nm/200317/FlatB.fits Flat /raid/aavsonet/bsm_nm/200317/FlatI.fits Flat /raid/aavsonet/bsm_nm/200317/FlatR.fits Flat /raid/aavsonet/bsm_nm/200317/FlatSG.fits Flat /raid/aavsonet/bsm_nm/200317/FlatSI.fits Flat /raid/aavsonet/bsm_nm/200317/FlatV.fits