Mars - Jan 23, 2008

click here for 200% size

 

About this Image

Mars a month after opposition. The apparent size has decreased to 13.0".
The IR-pass filter is calming down the effects of the turbulence in the atmosphere.

North is down.

 


Technical Details
Optics

16" cassegrain in secondary focus at f/20

Mount MK-100 GEM
Camera Firewire webcam Imaging Source DMK21BF04, manual filter wheel
Filters Astronomik 1,25" IR-pass 740nm, G, B
Date/time Jan 23, 2008 19h45 UT.
Location Wildon/Austria
Sky Conditions mag 4.5 sky, full moon, fair seeing, temperature 2 C
Exposure 1/30 sec, 30 fps, 2000 frames per color
Processing Image aquisition in IC-Capture, further processing in Registax 4, resized 200%; selection rate 50%;
color combine, balancing, curves, unsharp mask in Photoshop CS;