NH Arrokoth (formerly Ultima Thule) Encounter Observations & Results, post-flyby discussion as the data arrives |
NH Arrokoth (formerly Ultima Thule) Encounter Observations & Results, post-flyby discussion as the data arrives |
Feb 22 2019, 09:34 PM
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#106
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Member Group: Members Posts: 809 Joined: 3-June 04 From: Brittany, France Member No.: 79 |
Here is my colorized version of the latest and sharpest LORRI picture of Ultima Thule. Colors from MVIC low resolution picture:
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Feb 22 2019, 10:43 PM
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#107
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Member Group: Members Posts: 684 Joined: 24-July 15 Member No.: 7619 |
I don't think there will be much higher detail than this to come. Will there? Well, these are the highest resolution images, but with the raw pixel data, and a lot of processing time, you can pull out sub-pixel detail, to identify sub-pixel match points. https://en.wikipedia.org/wiki/Super-resolution_imaging If you are lucky, the match points differ by an exact multiple of pixels, meaning they're "in register" and you can stack multiple frames to get superresolution images, https://petapixel.com/2015/02/21/a-practica...with-photoshop/ If the images are off register by fractions of pixels, then you would oversample to generate an image with finer grained pixels, then overlay those images. The oversampling is similar to an "enhance the image" technology developed by Google.INC using over-sampling and AI facial recognition algorithms. https://www.extremetech.com/extreme/244105-...-enhances-works But you'd need Google.INC to train a new ResNet/PixelCNN programmable AI and feed it thousands and thousands of images of craters and moons, to eventually build up a neural net that "sees" geology and impact craters... Because right now, the Google.INC AI would simply draw a face on Ultima Thule. |
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Feb 23 2019, 05:02 AM
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#108
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Forum Contributor Group: Members Posts: 1372 Joined: 8-February 04 From: North East Florida, USA. Member No.: 11 |
I think a lot of us were expecting to see more detail, of course MU69 does not have the topography Pluto does. Also the pictures of Manhattan that were posted by people did really help much to give an accurate expectation. There are no Freeways or Skyscapers.
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Feb 23 2019, 05:55 AM
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#109
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Member Group: Members Posts: 238 Joined: 15-January 13 Member No.: 6842 |
-------------------- Curiosity rover panoramas: http://www.facebook.com/CuriosityRoverPanoramas
My Photosynth panoramas: http://photosynth.net/userprofilepage.aspx...;content=Synths |
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Feb 23 2019, 08:21 PM
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#110
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Member Group: Members Posts: 435 Joined: 14-December 15 Member No.: 7860 |
Raw pictures posted: http://pluto.jhuapl.edu/soc/UltimaThule-Encounter/
I wonder that, maybe however, the NH team is hiding "something special" for the March conference...??? it's just my little hope |
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Feb 23 2019, 09:08 PM
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#111
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Senior Member Group: Members Posts: 4246 Joined: 17-January 05 Member No.: 152 |
Well, there's been no public release yet of the colour version of the MVIC frame from Jan 1st...
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Feb 24 2019, 03:00 AM
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#112
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Junior Member Group: Members Posts: 71 Joined: 12-December 16 Member No.: 8089 |
Well, there's been no public release yet of the colour version of the MVIC frame from Jan 1st... I'll quote mcaplinger on the topic of when the MVIC data will be released: https://pds-smallbodies.astro.umd.edu/data_...AP-01_R0_C0.pdf doesn't describe the schedule for the extended mission but Table 3 says the first delivery of Pluto encounter data took about 9 months from encounter. |
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Mar 8 2019, 02:19 AM
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#113
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Junior Member Group: Members Posts: 80 Joined: 18-October 15 From: Russia Member No.: 7822 |
This animation helps to better understand the shape
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Mar 8 2019, 06:43 AM
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#114
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Senior Member Group: Members Posts: 1081 Joined: 19-February 05 From: Close to Meudon Observatory in France Member No.: 172 |
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Mar 8 2019, 10:11 PM
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#115
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Senior Member Group: Members Posts: 1887 Joined: 20-November 04 From: Iowa Member No.: 110 |
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Mar 11 2019, 03:31 PM
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#116
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Senior Member Group: Members Posts: 1582 Joined: 14-October 05 From: Vermont Member No.: 530 |
That was excellent, thanks. |
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Mar 17 2019, 06:34 PM
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#117
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Senior Member Group: Members Posts: 1887 Joined: 20-November 04 From: Iowa Member No.: 110 |
Lots of Ultima Thule talks tomorrow at the LPSC:
https://www.hou.usra.edu/meetings/lpsc2019/...ram.htm#sess103 |
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Guest_alex_k_* |
Mar 18 2019, 02:43 PM
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#118
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Guests |
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Mar 18 2019, 03:12 PM
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#119
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Senior Member Group: Members Posts: 4246 Joined: 17-January 05 Member No.: 152 |
To the extent that the spectral responses of the two cameras are different, you could create a crude 2-false-colour image from those frames. You'd need to warp one frame to align them better, though.
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Mar 18 2019, 03:53 PM
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#120
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Solar System Cartographer Group: Members Posts: 10146 Joined: 5-April 05 From: Canada Member No.: 227 |
I was in that session at LPSC - they are working on shape and stereo but more to do for a final shape model. Then the images can be merged effectively.
Jeff Moore said they are not convinced the small pits are impact craters, and suggest some may be drainage depressions leading into sub-surface voids. Not sure I agree, but a size distribution plot would be a useful thing to help with that problem. Phil -------------------- ... because the Solar System ain't gonna map itself.
Also to be found posting similar content on https://mastodon.social/@PhilStooke NOTE: everything created by me which I post on UMSF is considered to be in the public domain (NOT CC, public domain) |
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