Flat /raid/aavsonet/oc61/201020/FlatB.fits Flat /raid/aavsonet/oc61/201020/FlatSG.fits Flat /raid/aavsonet/oc61/201020/FlatSI.fits Flat /raid/aavsonet/oc61/201020/FlatSR.fits Flat /raid/aavsonet/oc61/201020/FlatV.fits