Flat /raid/aavsonet/bsm_nh2/200921/flatB_bin2.fits Flat /raid/aavsonet/bsm_nh2/200921/flatI_bin2.fits Flat /raid/aavsonet/bsm_nh2/200921/flatSR_bin2.fits Flat /raid/aavsonet/bsm_nh2/200921/flatV_bin2.fits