Flat /raid/aavsonet/bsm_nh2/201109/FlatB.fits Flat /raid/aavsonet/bsm_nh2/201109/FlatI.fits Flat /raid/aavsonet/bsm_nh2/201109/FlatSR.fits Flat /raid/aavsonet/bsm_nh2/201109/FlatV.fits