Flat /raid/aavsonet/oc61/200719/FlatB.fits Flat /raid/aavsonet/oc61/200719/FlatSG.fits Flat /raid/aavsonet/oc61/200719/FlatSI.fits Flat /raid/aavsonet/oc61/200719/FlatSR.fits Flat /raid/aavsonet/oc61/200719/FlatV.fits