Flat /raid/aavsonet/bsm_tx/200614/FlatB.fits Flat /raid/aavsonet/bsm_tx/200614/FlatC.fits Flat /raid/aavsonet/bsm_tx/200614/FlatI.fits Flat /raid/aavsonet/bsm_tx/200614/FlatR.fits Flat /raid/aavsonet/bsm_tx/200614/FlatV.fits