Flat /raid/aavsonet/bsm_nm/200421/FlatB.fits Flat /raid/aavsonet/bsm_nm/200421/FlatI.fits Flat /raid/aavsonet/bsm_nm/200421/FlatR.fits Flat /raid/aavsonet/bsm_nm/200421/FlatSG.fits Flat /raid/aavsonet/bsm_nm/200421/FlatSI.fits Flat /raid/aavsonet/bsm_nm/200421/FlatSR.fits Flat /raid/aavsonet/bsm_nm/200421/FlatV.fits