Flat /raid/aavsonet/oc61/200420/FlatB.fits Flat /raid/aavsonet/oc61/200420/FlatSG.fits Flat /raid/aavsonet/oc61/200420/FlatSI.fits Flat /raid/aavsonet/oc61/200420/FlatSR.fits Flat /raid/aavsonet/oc61/200420/FlatV.fits