Flat /raid/aavsonet/bsm_tx/200709/FlatB.fits Flat /raid/aavsonet/bsm_tx/200709/FlatC.fits Flat /raid/aavsonet/bsm_tx/200709/FlatI.fits Flat /raid/aavsonet/bsm_tx/200709/FlatR.fits Flat /raid/aavsonet/bsm_tx/200709/FlatV.fits