Flat /raid/aavsonet/oc61/200521/FlatB.fits Flat /raid/aavsonet/oc61/200521/FlatSG.fits Flat /raid/aavsonet/oc61/200521/FlatSI.fits Flat /raid/aavsonet/oc61/200521/FlatSR.fits Flat /raid/aavsonet/oc61/200521/FlatV.fits