Flat /raid/aavsonet/oc61/150821/FlatB.fits Flat /raid/aavsonet/oc61/150821/FlatSG.fits Flat /raid/aavsonet/oc61/150821/FlatSI.fits Flat /raid/aavsonet/oc61/150821/FlatSR.fits Flat /raid/aavsonet/oc61/150821/FlatV.fits