Flat /raid/aavsonet/oc61/200528/FlatB.fits
Flat /raid/aavsonet/oc61/200528/FlatSG.fits
Flat /raid/aavsonet/oc61/200528/FlatSI.fits
Flat /raid/aavsonet/oc61/200528/FlatSR.fits
Flat /raid/aavsonet/oc61/200528/FlatV.fits