Flat /raid/aavsonet/oc61/200331/FlatB.fits Flat /raid/aavsonet/oc61/200331/FlatSG.fits Flat /raid/aavsonet/oc61/200331/FlatSI.fits Flat /raid/aavsonet/oc61/200331/FlatSR.fits Flat /raid/aavsonet/oc61/200331/FlatV.fits