Flat /raid/aavsonet/bsm_nh2/200521/FlatB.fits Flat /raid/aavsonet/bsm_nh2/200521/FlatI.fits Flat /raid/aavsonet/bsm_nh2/200521/FlatSG.fits Flat /raid/aavsonet/bsm_nh2/200521/FlatSI.fits Flat /raid/aavsonet/bsm_nh2/200521/FlatSR.fits Flat /raid/aavsonet/bsm_nh2/200521/FlatSU.fits Flat /raid/aavsonet/bsm_nh2/200521/FlatV.fits Flat /raid/aavsonet/bsm_nh2/200521/FlatZS.fits