Rosetta PDS, Images and other products made from archived data |
Rosetta PDS, Images and other products made from archived data |
Dec 14 2015, 10:48 PM
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Member Group: Members Posts: 796 Joined: 27-February 08 From: Heart of Europe Member No.: 4057 |
As we have now access to archived OSIRIS images and data from other instruments, I think that it's good idea to start up special topic for that.
Here are few results from the newly published data: Hi-Res crosseye stereo color image of Imhotep regio at resolution 0.5 m/pix. Anaglyph version: Global color image at 2.2 m/pix: -------------------- |
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Jan 2 2016, 08:56 PM
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IMG to PNG GOD Group: Moderator Posts: 2254 Joined: 19-February 04 From: Near fire and ice Member No.: 38 |
Here is a false color view processed to show color/compositional differences:
This is from images N20140821T154228701ID30F41.IMG, N20140821T154304911ID30F23.IMG and N20140821T154327701ID30F16.IMG. Here near-IR, green and near-UV are displayed as red, green and blue, respectively. Color saturation has been greatly exaggerated to show color/compositional variations. Due to the relative motion between the spacecraft and the comet while the images were obtained I had to warp the near-IR and near-UV images to register them to the green image. This was not quite sufficient to get nice results at the shadow edges so I blurred the resulting color image (in effect reducing its resolution by a factor of ~5) and then pasted the color from the blurred image into the green image. Some color artifacts are still visible near the shadows but they are greatly reduced and all of the large scale color variations and color variations in areas far from shadows are real. And here is an anaglyph from images N20140914T210304360ID30F22.IMG and N20140914T210355741ID30F41.IMG: This is a wonderful data set for producing spectacular anaglyphs. There are many tens of possible anaglyphs 'lurking' in the collection of IMG files. Here is another one. Not quite as spectacular but it has been processed to reveal jets of material at the limb and also to show the comet's shadowed limb. This is from images N20140914T202748367ID30F22.IMG and N20140914T202839748ID30F41.IMG: |
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