Saturn's Rings To Shine As Never Before |
Saturn's Rings To Shine As Never Before |
Guest_Sunspot_* |
Sep 16 2006, 10:19 AM
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Guests |
http://saturn.jpl.nasa.gov/news/features/feature20060915.cfm
Ring scientists have been waiting for this. Finally, after more than two years orbiting Saturn, the Cassini spacecraft reaches one of the ultimate vantage points. The rings should shine with majesty worthy of the "Jewel of the Solar System." |
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Sep 21 2006, 12:24 PM
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Senior Member Group: Members Posts: 2454 Joined: 8-July 05 From: NGC 5907 Member No.: 430 |
An image of Earth next to the rings and our Pale Blue Dot up close in inset:
http://www.nasa.gov/mission_pages/cassini/...mp;auid=1993417 -------------------- "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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Sep 22 2006, 10:20 AM
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#3
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Member Group: Members Posts: 562 Joined: 29-March 05 Member No.: 221 |
CICLOPS post regarding recent Saturn Eclipse observations. The pics released look stunning, I can't wait to see the final HDR composit of the images taken, if the rest of 'Saturn in Eclipse' looks as wonderful as the bit visible in the pale blue orb image it will be spectacular.
Anyone have any further composits they want to share? Or will we have to wait for the PDS release in order to see an improvement on what has already been posted? |
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Sep 24 2006, 10:38 AM
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#4
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Member Group: Members Posts: 194 Joined: 8-February 04 Member No.: 10 |
Anyone have any further composits they want to share? Or will we have to wait for the PDS release in order to see an improvement on what has already been posted?
This is a preliminary version of how I think the colors might look: http://www.donaldedavis.com/2003NEW/NEWSTUFF/CASSECLIPSE.jpg I used IR frames for red, clear filtered images (with the IR placed over it at about 30 percent opacity in 'multiply' mode to remove some of the long end of the spectrum) for green, and violet for blue. This was used mostly for the rim lighting around the planet, whose colour variations may be real but of highly uncertain actual colors. The white part of the sunlit atmosphere is overexposed and visually may well show colors similar to what the Apollo 12 crew were treated to on their way home as the Sun went behind the distant Earth. The backlit rings are patched together from different grayscale exposures and with some hand painting. Don |
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