Proudy's Astrophotography with the GSTAR CCD Camera
unguided video astrophotography

Jupiter and Moons (Io and Europa)
The Great Red Spot is at 3 o'oclock
Distance: varies from 588 to 968 million kilometers, Magnitude: -2.0 to -2.9, Diameter: 30 to 50 arc mins



- Imaged on 20080701 7.00pm
- 25.4cm 10" F/4.7 Newtonian Reflector
- 300 video frames no filter (IR/UV only)
- 2x Barlow F/9.4
- rough polar alignment
- aligned, stacked and sharpened (sliders 1 and 2) in Registax with no optimisation