Flat /raid/aavsonet/oc61/200402/FlatB.fits Flat /raid/aavsonet/oc61/200402/FlatSG.fits Flat /raid/aavsonet/oc61/200402/FlatSI.fits Flat /raid/aavsonet/oc61/200402/FlatSR.fits Flat /raid/aavsonet/oc61/200402/FlatV.fits