Uranus System Imaging |
Uranus System Imaging |
Dec 14 2009, 10:18 AM
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#1
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Member Group: Members Posts: 796 Joined: 27-February 08 From: Heart of Europe Member No.: 4057 |
I finished my first good image of Uranus.
Planet is colorized from three filtered images (orange, green, blue). Slightly brownish color of rings is entirely artificial. -------------------- |
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Aug 19 2010, 07:32 PM
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#2
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Member Group: Members Posts: 796 Joined: 27-February 08 From: Heart of Europe Member No.: 4057 |
Ugordan, Tedstryk:
In case of color shift near the terminator, I think that's combination of imperfections of calibration (which are more evident at low brightness level) and real surface color. I looked at maps and redder hemisphere is around 90° longitude. I think it's the leading hemisphere. Stu: Image Mage, nice phrase "forgotten images dumped there into your cauldrons" My secret ingredient is bat's ear but keep it under your hat Last in set - Oberon. Resampled at 3 km/pix. Real resolution 7 km/pix. -------------------- |
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Aug 22 2010, 04:44 PM
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#3
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Senior Member Group: Members Posts: 3648 Joined: 1-October 05 From: Croatia Member No.: 523 |
Here's a color version of Titania using calibrated data from the PDS rings node:
Left is gamma-correct, right is contrast enhanced. While that calibrated data set is known to have calibration issues and is not the greatest quality Voyager ISS data set in the world, it appears to be missing the color shift around the terminator. Taking a quick look in green+violet (as well as using clear as an effectively 460 nm filter) color of all the moons, Miranda, Ariel and Umbriel appear to be effectively grey (Umbriel the most), while Oberon and Titania have that slight brownish tint to them. -------------------- |
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