Flat /raid/aavsonet/bsm_s/161220/FlatB.fits Flat /raid/aavsonet/bsm_s/161220/FlatGR.fits Flat /raid/aavsonet/bsm_s/161220/FlatGr.fits Flat /raid/aavsonet/bsm_s/161220/FlatGRH.fits Flat /raid/aavsonet/bsm_s/161220/FlatI.fits Flat /raid/aavsonet/bsm_s/161220/FlatR.fits Flat /raid/aavsonet/bsm_s/161220/FlatV.fits