Juno, perijove 10, December 16, 2017 |
Juno, perijove 10, December 16, 2017 |
Dec 18 2017, 12:15 PM
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Senior Member Group: Members Posts: 2346 Joined: 7-December 12 Member No.: 6780 |
Data of Juno's Perijove-10 are going to be downlinked.
Here is a tiny 6000-fold time-lapsed simulation from 2017-12-16T16:30:00.000 to 2017-12-16T20:00:00.000: It shows, that during approach, Jupiter's night side has come into JunoCam's field of view, first. Then there have been some interesting new perspectives, before Jupiter's south polar region has been in JunoCam's view during departure. The simulation is based on preliminary, and on some reconstructed SPICE data. Timing of actual image data differ from the stills of the above tiny simulation. |
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Dec 18 2017, 10:17 PM
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Senior Member Group: Members Posts: 2346 Joined: 7-December 12 Member No.: 6780 |
Near closest approach, the contrast turned out to be pretty low during previous flybys, resulting in DCT block artifacts of approximately the size of potentially interesting features, and a slow flyby movie would also degrade in quality due to the visibility of the compression artifacts. Additionally, near the latitudes of the GRS, there seem to have formed large turbulent features before PJ9 that are worth images of good quality. The geometry of future perijoves will worsen for flyby animation purposes. So, this may by one of the last opportunities to take an according sequence.
Regarding observations of the polar CPCs, we'll likely get better results for the south than for the north due to image geometry and illumination. Regarding latitude: The correlation of time and latitude won't be as strict as it has been for early orbits. This is another reason, why voting for features on certain latitudes would be less applicable. |
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Dec 18 2017, 10:33 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 |
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