Flat /raid/aavsonet/oc61/201104/flatB_bin2.fits Flat /raid/aavsonet/oc61/201104/flatSG_bin2.fits Flat /raid/aavsonet/oc61/201104/FlatSI.fits Flat /raid/aavsonet/oc61/201104/flatSR_bin2.fits Flat /raid/aavsonet/oc61/201104/flatV_bin2.fits