Celestron Fastar 8 at f/1.95, PixCel 237. This is a 240 second image (four by 60 second) Track and Accumulate exposure, using the AP900 with PEM correction engaged. Unguided at -26.81degrees Celsius.
Celestron Fastar 8 at f/1.95, PixCel 237. This is a 240 second image (four by 60 second) Track and Accumulate exposure, using the AP900 with PEM correction engaged. Unguided at -26.81degrees Celsius.