Quote:
Originally Posted by supernova1965
Very nice image I wonder if you could tell me what makes the dark areas it is probably something I should know but don't 
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Thanks Warren,
I believe there are several reasons for the dark and light regions we observe on Mars. No doubt albedo shading plays a major role. Of significance is the major differences in elevation from the southern highlands to the northern lowlands. This difference in elevation ranges from about +8 to -8 km. The highlands seem much rougher than the lowlands which are considerably smoother and exhibit signs of resurfacing, possibly due to volcanic action. These smooth and rough surfaces obviously result in differing degrees of albedo. It is also most interesting that there is no particular latitude that separates the Highlands from the lowlands, although the highlands do cover much of the southern hemisphere.
Hope this helps.
Quote:
Originally Posted by multiweb
Another superb shot Trev. Amazing details 
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Thanks Marc, love how the IR filter allows me to capture such high res detail when the seeing is less than ideal.