Flat /raid/aavsonet/oc61/200117/FlatB.fits
Flat /raid/aavsonet/oc61/200117/FlatSG.fits
Flat /raid/aavsonet/oc61/200117/FlatSI.fits
Flat /raid/aavsonet/oc61/200117/FlatSR.fits
Flat /raid/aavsonet/oc61/200117/FlatV.fits