Flat /raid/aavsonet/bsm_tx/201004/flatB_bin1.fits Flat /raid/aavsonet/bsm_tx/201004/flatC_bin1.fits Flat /raid/aavsonet/bsm_tx/201004/flatI_bin1.fits Flat /raid/aavsonet/bsm_tx/201004/flatR_bin1.fits Flat /raid/aavsonet/bsm_tx/201004/flatV_bin1.fits