Flat /raid/aavsonet/bsm_s/171018/FlatB.fits Flat /raid/aavsonet/bsm_s/171018/FlatGR.fits Flat /raid/aavsonet/bsm_s/171018/FlatGr.fits Flat /raid/aavsonet/bsm_s/171018/FlatGRH.fits Flat /raid/aavsonet/bsm_s/171018/FlatI.fits Flat /raid/aavsonet/bsm_s/171018/FlatR.fits Flat /raid/aavsonet/bsm_s/171018/FlatV.fits