Flat /raid/aavsonet/bsm_tx/200824/FlatB.fits Flat /raid/aavsonet/bsm_tx/200824/FlatC.fits Flat /raid/aavsonet/bsm_tx/200824/FlatI.fits Flat /raid/aavsonet/bsm_tx/200824/FlatR.fits Flat /raid/aavsonet/bsm_tx/200824/FlatV.fits