Flat /raid/aavsonet/oc61/201021/FlatB.fits Flat /raid/aavsonet/oc61/201021/FlatSG.fits Flat /raid/aavsonet/oc61/201021/FlatSI.fits Flat /raid/aavsonet/oc61/201021/FlatSR.fits Flat /raid/aavsonet/oc61/201021/FlatV.fits