Flat /raid/aavsonet/oc61/200718/FlatB.fits Flat /raid/aavsonet/oc61/200718/FlatSG.fits Flat /raid/aavsonet/oc61/200718/FlatSI.fits Flat /raid/aavsonet/oc61/200718/FlatSR.fits Flat /raid/aavsonet/oc61/200718/FlatV.fits