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Martian Sky, What's it look like?
nasaman58
post Apr 18 2005, 09:23 PM
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What I'm about to write could go equally well under the Opportunity section, but I had to put it somewhere. (Doug, maybe this ties to the post I wrote earlier in reply to your reorganization scheme about lumping oppy and spirit together).

Now, onto business...

I'm curious what the whole sky of Mars looks like. Whenever we get color pans, we only see a little strip of the sky (with the nice exception I believe Doug did of the sun above Eagle crater). Sure, the sky looks bright and maybe a tad bluish near the Sun, but what about up high near the zenith but away from the sun? Is it a dark brownish color? Or close to black?

On Sol 178 (July 4 for us Americans smile.gif )when Spirit was climbing toward West Spur, the PanCam was pointed up, so we got to see some darker, higher altitude sky than we normally see. But I'd like to see basically a whole-sky or near whole-sky "pan" to see the color gradients. Consider this a challenge for you people with the right Photoshop/software hook-ups and mad skillz!
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Bubbinski
post Apr 20 2005, 02:29 AM
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QUOTE (Nirgal @ Apr 19 2005, 02:47 AM)
very well done !

also matches the impression of other pre-sunset views seen e.g. from the pathfinder mission.


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Thanks, Nirgal. smile.gif

The pics by Spirit were taken one hour before sunrise....I assume the same blue halo around the sun would show then too, right? I'm wondering if maybe I used too much blue in my rendition to be realistic, but I like how it looks artistically, and it'll end up being my computer wallpaper.

In any case, using the Paint Shop Pro histogram function is merely adding a single, uniform color tone to an image. I'm a rank, and I do mean rank, amateur at image manipulation, a lot of the stuff I've seen on this board just blows my mind. For example, that Hazcam B&W image someone colorized was just awesome, I wish I had that kind of talent.


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