Flat /raid/aavsonet/oc61/200727/FlatB.fits
Flat /raid/aavsonet/oc61/200727/FlatSG.fits
Flat /raid/aavsonet/oc61/200727/FlatSI.fits
Flat /raid/aavsonet/oc61/200727/FlatSR.fits
Flat /raid/aavsonet/oc61/200727/FlatV.fits