Flat /raid/aavsonet/bsm_s/171120/FlatB.fits Flat /raid/aavsonet/bsm_s/171120/FlatGR.fits Flat /raid/aavsonet/bsm_s/171120/FlatGr.fits Flat /raid/aavsonet/bsm_s/171120/FlatGRH.fits Flat /raid/aavsonet/bsm_s/171120/FlatI.fits Flat /raid/aavsonet/bsm_s/171120/FlatR.fits Flat /raid/aavsonet/bsm_s/171120/FlatV.fits