My first opportunity for "deep sky first light" with this newly acquired modified VC200L. Also 'first light' for my new guiding setup, which uses a 500mm f8 Rubinar mirror lens as a guide scope for a QHY5 using a Geoptik adapter.
Robofocus with Bahtinov Grabber also works a treat - very cool to be able to not only quantify the focus error but then to repeatably move the focus with such fine precision.
This image is a stack of 17 x 5min dithered and calibrated subs using the 0.71x focal reducer to give a focal length of 1278mm f6.4.
With my 400D that gives an image scale of 0.92 arcsecs per pixel, riding on top of a NEQ6 using periodic error correction.
Captured this morning in the brief window between moon set and the beginning of astronomical twilight. This is just a quick process with PixInsight. Framing could probably be better but I was under the pump to get at least some subs out before it got light.
Pretty happy I have to say. Have also included a centre (pic 2) and corner crop (pic 3). Field correction is so much better than what I had seen previously with the newtonian. I reckon there's a lot of potential here
Larger version here:
http://www.astrobin.com/36974/