Mars Oct 15, 2005

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About this Image

First rendevouz with Mars a few weeks before opposition. The apparent size already increased to 19.5".
The southern polar cap now is at its minimum, in the northern pole area blue clouds are visible.

North is up.

An image of the setup you find here.

 


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" R+IR,G, B
Date Oct 15, 2005 23h15 UT.
Location Wildon/Austria
Sky Conditions mag 2.5 sky, full moon,raw FWHM 2.5", temperature 10 C
Exposure 1/30 sec, 30 fps, approx 2500 frames per color
Processing Image aquisition in IC-Capture, further processing in Registax 3, selection rate 30%, color combine, balancing, curves, unsharp mask in Photoshop CS;