Flat /raid/aavsonet/oc61/200401/FlatB.fits Flat /raid/aavsonet/oc61/200401/FlatSG.fits Flat /raid/aavsonet/oc61/200401/FlatSI.fits Flat /raid/aavsonet/oc61/200401/FlatSR.fits Flat /raid/aavsonet/oc61/200401/FlatV.fits