Juno, perijove 12, April 1, 2018 |
Juno, perijove 12, April 1, 2018 |
Mar 28 2018, 04:10 AM
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#1
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Junior Member Group: Members Posts: 71 Joined: 12-December 16 Member No.: 8089 |
So, according to the voting page, apparently the spacecraft's being spun around to get the instruments pointed directly at the planet. Io and Ganymede will also be imaged during this pass, as they'll come into view of JunoCam two hours before and twelve hours after closest approach, respectively. For Io, the team are "planning to take two pictures - one exposed nominally and one that over-exposes Io to look for volcanic plumes extending above the surface." The Great Red Spot is also expected to come into view during the spacecraft's departure.
Here's a logo for Perijove 12 I threw together, by the way. |
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Apr 3 2018, 12:35 AM
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#2
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Senior Member Group: Members Posts: 2542 Joined: 13-September 05 Member No.: 497 |
First batch of PJ12 images are available on missionjuno.
It's taking a while since most of the DSN passes are only 40 Kbps. -------------------- Disclaimer: This post is based on public information only. Any opinions are my own.
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Apr 3 2018, 06:12 AM
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Member Group: Members Posts: 923 Joined: 10-November 15 Member No.: 7837 |
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Apr 3 2018, 06:18 AM
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Senior Member Group: Members Posts: 2346 Joined: 7-December 12 Member No.: 6780 |
After a long night of PJ12 image processing, the sun is shining again.
First, here a link to the RGB drafts. Now, the JPG version of reprojected images in reverse order: #086: |
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Apr 3 2018, 06:19 AM
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#5
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Senior Member Group: Members Posts: 2346 Joined: 7-December 12 Member No.: 6780 |
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Apr 3 2018, 06:21 AM
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#6
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Senior Member Group: Members Posts: 2346 Joined: 7-December 12 Member No.: 6780 |
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Apr 3 2018, 06:23 AM
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#7
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Senior Member Group: Members Posts: 2346 Joined: 7-December 12 Member No.: 6780 |
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Apr 3 2018, 06:27 AM
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#8
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Senior Member Group: Members Posts: 2346 Joined: 7-December 12 Member No.: 6780 |
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Apr 3 2018, 06:35 AM
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#9
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Senior Member Group: Members Posts: 2346 Joined: 7-December 12 Member No.: 6780 |
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Apr 3 2018, 07:18 AM
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#10
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Senior Member Group: Members Posts: 2346 Joined: 7-December 12 Member No.: 6780 |
Link to PNG version. The early approach images are white in these renditions due to the percentile-based exposure adjustment applied. I may render smaller crops for the approach sequence later; this will avoid the whitening.
Note the moon shadow in #41. |
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Apr 3 2018, 10:40 AM
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#11
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Member Group: Members Posts: 923 Joined: 10-November 15 Member No.: 7837 |
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Apr 3 2018, 08:29 PM
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#12
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Member Group: Members Posts: 923 Joined: 10-November 15 Member No.: 7837 |
Thanks to Gerald's efforts, here are some PJ12 portraits...
PJ12_Sequence_Part1 PJ12_80 PJ12_81 PJ12_82 PJ12_84 PJ12_85 PJ12_86 *Upscaled, white balance, local contrast, repaired, each layer blended & masked ( depending on image content ) before downscaling, consolidating edits. -------------------- |
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Apr 4 2018, 05:39 AM
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#13
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Junior Member Group: Members Posts: 71 Joined: 12-December 16 Member No.: 8089 |
Quick question, what was the distance between the spacecraft and Io when Juno took its pictures of the moon?
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Apr 4 2018, 07:02 AM
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#14
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Member Group: Members Posts: 427 Joined: 18-September 17 Member No.: 8250 |
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Apr 4 2018, 03:03 PM
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#15
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Senior Member Group: Members Posts: 2542 Joined: 13-September 05 Member No.: 497 |
If anyone answers this for Philip, can you also post which spice kernels were loaded to make the determination. Using juno_pred_orbit.bsp at webgeocalc, the distance was about 550,000 km. -------------------- Disclaimer: This post is based on public information only. Any opinions are my own.
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