Jupiter with Callisto and GRS transit

[chiltonstar]

A 180 Mak view of Jupiter! 6th April, 2017 at 22:47 UT. Altitude above the horizon was +29 degrees.

Barlowed to f28, 1000 out of 3000 frames, processed in AS, Registax and PS.

180 Mak with ASI224 colour camera, mounted on a Vixen EQ mount (modified). The best results were obtained with 20 ms frames:  50 ms frames were less noisy, but less detailed.

Chris