Flat /raid/aavsonet/bsm_nh2/200923/flatB_bin2.fits Flat /raid/aavsonet/bsm_nh2/200923/flatI_bin2.fits Flat /raid/aavsonet/bsm_nh2/200923/flatSR_bin2.fits Flat /raid/aavsonet/bsm_nh2/200923/flatSU_bin2.fits Flat /raid/aavsonet/bsm_nh2/200923/flatV_bin2.fits