Flat /raid/aavsonet/bsm_nh/171228/FlatB.fits Flat /raid/aavsonet/bsm_nh/171228/FlatDG.fits Flat /raid/aavsonet/bsm_nh/171228/FlatGRH.fits Flat /raid/aavsonet/bsm_nh/171228/FlatI.fits Flat /raid/aavsonet/bsm_nh/171228/FlatR.fits Flat /raid/aavsonet/bsm_nh/171228/FlatSU.fits Flat /raid/aavsonet/bsm_nh/171228/FlatV.fits