Flat /raid/aavsonet/bsm_nm/200404/FlatB.fits Flat /raid/aavsonet/bsm_nm/200404/FlatI.fits Flat /raid/aavsonet/bsm_nm/200404/FlatR.fits Flat /raid/aavsonet/bsm_nm/200404/FlatSG.fits Flat /raid/aavsonet/bsm_nm/200404/FlatSI.fits Flat /raid/aavsonet/bsm_nm/200404/FlatSR.fits Flat /raid/aavsonet/bsm_nm/200404/FlatV.fits