Flat /raid/aavsonet/bsm_nm/200318/FlatB.fits Flat /raid/aavsonet/bsm_nm/200318/FlatI.fits Flat /raid/aavsonet/bsm_nm/200318/FlatR.fits Flat /raid/aavsonet/bsm_nm/200318/FlatSG.fits Flat /raid/aavsonet/bsm_nm/200318/FlatSI.fits Flat /raid/aavsonet/bsm_nm/200318/FlatV.fits