At this point, the main problem in my images that really annoys me is the chromatic aberration (the purple fringe around stars). Also the field curvature of the ST80 is really bad, especially on a crop size sensor, as you begin to move away from the center of the frame. So to achieve a considerable […]
Category Archives: Telescopes
Celestron 6″ Newtonian first light
After putting on my new C6N on the AVX mount, I set out to a Bortle 4 area around Wassaga Beach for some astrophotography, mainly to see the difference from the achromatic refractor I used previously. This images were also shot with a 60 second exposure to limit tracking errors due to periodic error and […]
Happy as a 5 year old
My first telescope arrived today, the Orion ST80. I decided to get this as my first scope for two reasons. First it is extremely cheap, since its an achromat. Yet, it is a very popular refractor size – 80mm aperture with a 400mm focal length. This scope is widely used as a guide scope, which […]