Flat /raid/aavsonet/oc61/200921/FlatB.fits Flat /raid/aavsonet/oc61/200921/FlatSG.fits Flat /raid/aavsonet/oc61/200921/FlatSI.fits Flat /raid/aavsonet/oc61/200921/FlatSR.fits Flat /raid/aavsonet/oc61/200921/FlatV.fits