Flat /raid/aavsonet/bsm_tx/200711/FlatB.fits Flat /raid/aavsonet/bsm_tx/200711/FlatC.fits Flat /raid/aavsonet/bsm_tx/200711/FlatI.fits Flat /raid/aavsonet/bsm_tx/200711/FlatR.fits Flat /raid/aavsonet/bsm_tx/200711/FlatV.fits