DSCOVR |
DSCOVR |
 Jan 6 2006, 08:55 PM
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 Senior Member  Group: Members Posts: 2454 Joined: 8-July 05 From: NGC 5907 Member No.: 430  |
ADMIN NOTE: Please note that this topic was unavoidably poltical before the 'No Politics' rule. Please restrict future comments to the mission/spacecraft/news updates etc.
WHAT'S NEW Robert L. Park Friday, 6 Jan 06 Washington, DC DEEP SPACE CLIMATE OBSERVATORY KILLED. http://bobpark.physics.umd.edu/index.html -------------------- "After having some business dealings with men, I am occasionally chagrined,
and feel as if I had done some wrong, and it is hard to forget the ugly circumstance. I see that such intercourse long continued would make one thoroughly prosaic, hard, and coarse. But the longest intercourse with Nature, though in her rudest moods, does not thus harden and make coarse. A hard, sensible man whom we liken to a rock is indeed much harder than a rock. From hard, coarse, insensible men with whom I have no sympathy, I go to commune with the rocks, whose hearts are comparatively soft." - Henry David Thoreau, November 15, 1853 |
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Oct 29 2023, 07:22 PM
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 Senior Member Group: Members Posts: 1645 Joined: 5-March 05 From: Boulder, CO Member No.: 184 |
Nice to see there's a good presentation in the blue channel of the DSCOVR image data. I'm unsure if the details of the DSCOVR processing are widely available. I've done my own version of this processing in the past and some approaches can be a bit tricky. The image below is such a past case. I'd be happy to expound upon this in further detail as for example from this post.
Presently I'm trying out my simulated DSCOVR images for this eclipse case, ironing out some software wrinkles on that front. The limb darkening color dependence is related to the color of the sun's limb. The limb is redder due to the slant paths when viewing into the incandescent solar atmosphere. One reaches opacity at a higher photospheric altitude near the limb. The effective radiating temperature is thus cooler, producing a redder black body color and lower intensity. Of course the limb color becomes predominant when we are illuminated by a crescent sun. Looking at the limb of the Earth during a solar eclipse would make a double effect and hopefully will be accounted for 
-------------------- Steve [ my home page and planetary maps page ]
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ljk4-1 DSCOVR Jan 6 2006, 08:55 PM
fredk That image is the "enhanced" version. T... Oct 27 2023, 07:11 PM scalbers Nice analysis by fredk. The DSCOVR Team reportedly... Oct 28 2023, 02:01 AM
StargazeInWonder All very interesting. For what it's worth, thi... Oct 28 2023, 03:10 AM
fredk QUOTE (scalbers @ Oct 28 2023, 03:01 AM) ... Oct 29 2023, 05:59 PM fredk There are some details on the production of colour... Oct 29 2023, 09:52 PM scalbers Interesting to see this document that seems to be ... Oct 29 2023, 10:05 PM scalbers Animated comparison of simulated Earth (left) and ... Nov 4 2023, 09:16 PM fredk Nice simulation. No obvious reddening in the penu... Nov 6 2023, 07:02 PM |
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Lo-Fi Version | Time is now: 13th June 2024 - 10:09 AM |
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