From Tycho to the Southern Limb

clic for 150% size 1581 x 1862 (660 kB)

 

About this Image

A 5-part mosaic from Tycho to the southern limb including the craters Tycho, Clavius, Maginus, Longomontanus, Scheiner, Blancanus, Klaproth, Casatus, Gruemberger, Moretus.
South is up.

 


Technical Details
Optics

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 1000-2500 video frames for 5 parts at 1/50 sec
Processing Image aquisition in ICcapture, preprocessing in Registax, selection rate 5-15%;
curves, unsharp mask in Photoshop;
north is up;