Flat /raid/aavsonet/bsm_s/200507/FlatB.fits
Flat /raid/aavsonet/bsm_s/200507/FlatI.fits
Flat /raid/aavsonet/bsm_s/200507/FlatR.fits
Flat /raid/aavsonet/bsm_s/200507/FlatSG.fits
Flat /raid/aavsonet/bsm_s/200507/FlatSI.fits
Flat /raid/aavsonet/bsm_s/200507/FlatSR.fits
Flat /raid/aavsonet/bsm_s/200507/FlatV.fits