Flat /raid/aavsonet/bsm_tx/200813/FlatB.fits Flat /raid/aavsonet/bsm_tx/200813/FlatC.fits Flat /raid/aavsonet/bsm_tx/200813/FlatI.fits Flat /raid/aavsonet/bsm_tx/200813/FlatR.fits Flat /raid/aavsonet/bsm_tx/200813/FlatV.fits