Flat /raid/aavsonet/oc61/201020/FlatB.fits
Flat /raid/aavsonet/oc61/201020/FlatSG.fits
Flat /raid/aavsonet/oc61/201020/FlatSI.fits
Flat /raid/aavsonet/oc61/201020/FlatSR.fits
Flat /raid/aavsonet/oc61/201020/FlatV.fits