A rather random example of a 91 sec sub taken using a C14 Hyperstar on an AP1200 unguided. Converted from Raw to Tif. Two filters used in series: Astronomik UHC + UV/IR Blocker. As seems typical of the C14 Hyperstar, I seem to always get the FWHM in Green to be just under 2 pixels. This DSLR has a pixel pitch of 4.7 microns. I suspect that I am under-sampling...