Flat /raid/aavsonet/oc61/200506/FlatB.fits
Flat /raid/aavsonet/oc61/200506/FlatSG.fits
Flat /raid/aavsonet/oc61/200506/FlatSI.fits
Flat /raid/aavsonet/oc61/200506/FlatSR.fits
Flat /raid/aavsonet/oc61/200506/FlatV.fits