Flat /raid/aavsonet/oc61/200121/FlatB.fits Flat /raid/aavsonet/oc61/200121/FlatSG.fits Flat /raid/aavsonet/oc61/200121/FlatSI.fits Flat /raid/aavsonet/oc61/200121/FlatSR.fits Flat /raid/aavsonet/oc61/200121/FlatV.fits