Flat /raid/aavsonet/bsm_tx/200612/FlatB.fits Flat /raid/aavsonet/bsm_tx/200612/FlatC.fits Flat /raid/aavsonet/bsm_tx/200612/FlatI.fits Flat /raid/aavsonet/bsm_tx/200612/FlatR.fits Flat /raid/aavsonet/bsm_tx/200612/FlatV.fits