Last week the sky was clear every night, and although most nights either the seeing or transparency was poor, I was out every night capturing photons from this target.  This was using my new camera, a QHY268M.  I had tried it a couple of months ago (see the last post), but had trouble with internal reflections in the telescope, which have now been fixed.  So this, technically, not “first light” for this camera, but I’m going to call it that anyway, and can say that it is a great camera.  I used exposures of 5 minutes for each filter on […]