Flat /raid/aavsonet/oc61/200817/FlatB.fits Flat /raid/aavsonet/oc61/200817/FlatSG.fits Flat /raid/aavsonet/oc61/200817/FlatSI.fits Flat /raid/aavsonet/oc61/200817/FlatSR.fits Flat /raid/aavsonet/oc61/200817/FlatV.fits