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Juno Perijove 22, September 12, 2019
mcaplinger
post Sep 13 2019, 12:37 AM
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Images have started appearing on missionjuno.


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Disclaimer: This post is based on public information only. Any opinions are my own.
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Bjorn Jonsson
post Oct 16 2019, 12:01 AM
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Perijove 22 was not a 'Great Red Spot (GRS) flyby'. Despite this, map-projected images show some details in the GRS' western half (the GRS was on the limb in a few PJ22 images). And the convective area west of the GRS was fairly well imaged during this flyby. This is a map-projected mosaic of PJ22 images 39 to 43 in approximately true color/contrast and enhanced versions:

Attached Image

Attached Image


From this it is clear that the convective area west (or WNW) of the GRS is still active. The appearance of other parts of the South Equatorial Belt (SEB) has recently at least sometimes been as if the SEB was about to fade (turn whitish) but if history is any guide, this shouldn't happen unless the convective activity west of the GRS shuts down.

It's going to be interesting to see what happens here.
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- mcaplinger   Juno Perijove 22   Sep 13 2019, 12:37 AM
- - Kevin Gill   Thanks for letting us know! First composite i...   Sep 13 2019, 03:55 AM
- - Kevin Gill   Shadow of Io starts appearing in PJ22-25! Ju...   Sep 13 2019, 11:41 PM
- - fredk   Spectacular - very cool how the projection from cl...   Sep 14 2019, 01:13 AM
- - Explorer1   Reminds me of a classic science fiction movie invo...   Sep 14 2019, 01:27 AM
- - Bjorn Jonsson   Approximately true color/contrast detail from imag...   Sep 14 2019, 03:21 PM
- - fredk   Stunning, Bjorn. I always appreciate the attempt ...   Sep 14 2019, 06:28 PM
|- - mcaplinger   QUOTE (fredk @ Sep 14 2019, 10:28 AM) Is ...   Sep 14 2019, 08:55 PM
|- - Bjorn Jonsson   QUOTE (fredk @ Sep 14 2019, 06:28 PM) Stu...   Sep 16 2019, 10:53 PM
|- - JRehling   HST images might have less of a stray light issue ...   Sep 17 2019, 03:05 AM
- - fredk   A related point: knowing the geometry we should be...   Sep 14 2019, 07:52 PM
- - Kevin Gill   Two more composite views: Perijove 22 - Composi...   Sep 14 2019, 11:58 PM
- - JohnVV   QUOTE (Kevin Gill @ Sep 13 2019, 07:41 PM...   Sep 15 2019, 05:22 AM
|- - JRehling   I have distorted the image to circularize the shad...   Sep 15 2019, 08:03 AM
- - Bjorn Jonsson   This is processed from image PJ22_23. Approximatel...   Sep 16 2019, 11:17 PM
- - fredk   Averaging over the pixels in a large-enough shadow...   Sep 17 2019, 04:05 PM
|- - JRehling   Thanks, fredk! If the HST took a picture of J...   Sep 18 2019, 03:14 AM
- - Kevin Gill   Fisheye Composite for the Io Shadow JNCE_2019255_...   Sep 17 2019, 04:41 PM
- - Sean   Awesome results Kevin!   Sep 17 2019, 06:38 PM
- - Brian Swift   Animation of Io shadow eclipse progressing across ...   Sep 19 2019, 04:29 AM
- - Bjorn Jonsson   An approximately true color/contrast version of PJ...   Sep 29 2019, 11:40 PM
- - Kevin Gill   A wide pole-to-pole map view using PJ22 imagery. B...   Oct 14 2019, 11:10 PM
- - Sean   This is beautiful Kevin! Amazing job!!   Oct 15 2019, 10:46 AM
- - Bjorn Jonsson   Perijove 22 was not a 'Great Red Spot (GRS) fl...   Oct 16 2019, 12:01 AM
|- - mcaplinger   QUOTE (Bjorn Jonsson @ Oct 15 2019, 04:01...   May 6 2020, 05:21 PM
|- - Bjorn Jonsson   QUOTE (mcaplinger @ May 6 2020, 05:21 PM)...   May 11 2020, 01:18 AM
- - Bjorn Jonsson   This is an orthographic mosaic of images PJ22_20 a...   Nov 3 2019, 10:28 PM
- - scalbers   Just drawing an analogy to how I sometimes handle ...   May 11 2020, 09:01 PM

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