An animation of four frames taken over period of 45 minutes showing a transit of saturn's moon Tethys.
The tiny moon Enceladus is located just to the left of Tethys' shadow - can you see it? A color version can be seen here.
23 March 2008 Astro-Physics 10" mak/cassegrain at f30/ DMK 21BF04 camera/ image processing in Astro IIDC and Adobe Photoshop CS3
© Alan Friedman | all rights reserved