Celestron Fastar 8 at f/1.95, PixCel 237. This is a single two minute exposure using the AP900 with PEM correction engaged. Unguided at -20.42 degrees Celsius.
Celestron Fastar 8 at f/1.95, PixCel 237. This is a single two minute exposure using the AP900 with PEM correction engaged. Unguided at -20.42 degrees Celsius.