clic for 150% size 1018 x 760 (205 kB)


About this Image

A close-up on the crater Gassendi at low sun angle and good seeing conditions with the16" cassegrain at f/10.


Technical Details


16" cassegrain in secondary focus at f/10

Mount MK-100 GEM
Camera DMK21BF04
Filters Astronomik IR-pass filter 740nm (Atik filter wheel)
Date Jan 10, 2006
Location Wildon/Austria
Sky Conditions some fog, good seeing (5-6) temperature -5 C
Exposure 2500 video frames at 1/50 sec
Processing Image aquisition in ICcapture, preprocessing in Registax, selection rate 25%;
curves, unsharp mask in Photoshop;
north is up;