Flat /raid/aavsonet/bsm_tx/200512/FlatB.fits Flat /raid/aavsonet/bsm_tx/200512/FlatC.fits Flat /raid/aavsonet/bsm_tx/200512/FlatI.fits Flat /raid/aavsonet/bsm_tx/200512/FlatR.fits Flat /raid/aavsonet/bsm_tx/200512/FlatV.fits