Saturn
Friday, April 09th 2010 - 20:20 (UTC) - focal ratio f/36
Saturn and Tethys during good seeing conditions. Not perfect, because the blue channel was noticably worse than the red channel, but for the altitude (37 degrees) I don't think you can get much better!
The image is an R-RGB recording.
In the bottom animation (22:15-23:41) you can again see a black dot moving around the B-ring. Similar to what is seen in the April 22 and March 10 images. Spokes?
equipment used
Modified DK21AU04.as with ICX618ALA-E ccd
Meade Starfinder 10
Modified DK21AU04.as with ICX618ALA-E ccd
Meade Starfinder 10