Flat /raid/aavsonet/bsm_tx/201001/FlatB.fits Flat /raid/aavsonet/bsm_tx/201001/FlatC.fits Flat /raid/aavsonet/bsm_tx/201001/FlatI.fits Flat /raid/aavsonet/bsm_tx/201001/FlatR.fits Flat /raid/aavsonet/bsm_tx/201001/FlatV.fits