Flat /raid/aavsonet/bsm_nh/180121/FlatB.fits Flat /raid/aavsonet/bsm_nh/180121/FlatDG.fits Flat /raid/aavsonet/bsm_nh/180121/FlatGRH.fits Flat /raid/aavsonet/bsm_nh/180121/FlatI.fits Flat /raid/aavsonet/bsm_nh/180121/FlatR.fits Flat /raid/aavsonet/bsm_nh/180121/FlatSU.fits Flat /raid/aavsonet/bsm_nh/180121/FlatV.fits