Flat /raid/aavsonet/bsm_s/170830/FlatB.fits Flat /raid/aavsonet/bsm_s/170830/FlatGR.fits Flat /raid/aavsonet/bsm_s/170830/FlatGr.fits Flat /raid/aavsonet/bsm_s/170830/FlatGRH.fits Flat /raid/aavsonet/bsm_s/170830/FlatI.fits Flat /raid/aavsonet/bsm_s/170830/FlatR.fits Flat /raid/aavsonet/bsm_s/170830/FlatV.fits