Flat /raid/aavsonet/oc61/171219/FlatB.fits Flat /raid/aavsonet/oc61/171219/FlatSG.fits Flat /raid/aavsonet/oc61/171219/FlatSI.fits Flat /raid/aavsonet/oc61/171219/FlatSR.fits Flat /raid/aavsonet/oc61/171219/FlatV.fits