Flat /raid/aavsonet/oc61/200403/FlatB.fits Flat /raid/aavsonet/oc61/200403/FlatSG.fits Flat /raid/aavsonet/oc61/200403/FlatSI.fits Flat /raid/aavsonet/oc61/200403/FlatSR.fits Flat /raid/aavsonet/oc61/200403/FlatV.fits