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Juno perijove 4, February 2, 2017
Gerald
post Jan 20 2017, 11:16 PM
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It's time to open a perijove-4 thread.
Voting is open for another two days. So, don't hesitate too long.
Besides the discussion and the POIs on the mission page, you might consider John Roger's detailed discussion of several interesting features.

If everything goes well, all instruments will be switched on.

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PhilipTerryGraha...
post Jan 22 2017, 02:34 PM
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It'll be good to see JIRAM up and running again! Would love to see what results it'll return on this pass. biggrin.gif


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PhilipTerryGraha...
post Jan 30 2017, 08:44 PM
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I redecorated the subreddit again, this time in anticipation of Perijove 4! Look decent, do you guys think? Haha


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mcaplinger
post Feb 2 2017, 05:04 AM
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Unofficial status: Be advised that even though PJ4 is at about 5 AM PST tomorrow morning, DSN coverage is spotty, so we may not have the data down until late Friday, if then. I wouldn't expect to see it at missionjuno before Monday at the earliest.


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Gerald
post Feb 2 2017, 04:38 PM
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Thanks a lot! This helps planning the processing resources.
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PhilipTerryGraha...
post Feb 2 2017, 10:54 PM
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Any word on JIRAM or Waves stuff, by any chance?


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mcaplinger
post Feb 2 2017, 11:10 PM
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Note that this pass was in the MWR attitude so the HGA is off earth-point and we can't send science data (engineering only at 250 bps). You can watch https://eyes.nasa.gov/dsn/dsn.html to see if Juno is being tracked and at what data rate. We only went to high rate about 1/2 hour ago, I think, which is one of the reasons why I said we wouldn't have anything soon.

I don't know anything about what the other teams are doing, and if I did, I couldn't say anyway. smile.gif


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Gerald
post Feb 3 2017, 11:21 AM
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According to the updated news, all instruments have been operational during PJ4, includung JIRAM:
QUOTE
All of Juno's science instruments and the spacecraft's JunoCam were operating during the flyby to collect data that is now being returned to Earth.

That's consistent with the plan:
QUOTE
All of Juno's eight science instruments, including the Jovian Infrared Auroral Mapper (JIRAM) instrument, will be on and collecting data during the flyby.
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mcaplinger
post Feb 3 2017, 09:56 PM
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QUOTE (mcaplinger @ Feb 1 2017, 09:04 PM) *
I wouldn't expect to see it at missionjuno before Monday at the earliest.

Seems I was unduly pessimistic about this, the images went live on missionjuno a few minutes ago.

Note that the image called "Oval BA" is not really of Oval BA. Our targeting process needs some work, as based on my predictions, there was no way we were going to see Oval BA on this pass near the nadir. You can see it in the subsequent image, but it's off on the limb.


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PhilipTerryGraha...
post Feb 4 2017, 02:18 AM
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They did it again, releasing JunoCam data much earlier than they said they would! Haha! 15 images from Perijove 4 are up on the JunoCam subsite as we speak! biggrin.gif


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Gerald
post Feb 4 2017, 05:28 AM
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QUOTE (mcaplinger @ Feb 3 2017, 10:56 PM) *
... there was no way we were going to see Oval BA on this pass near the nadir. You can see it in the subsequent image, but it's off on the limb.

Attached Image

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Gerald
post Feb 4 2017, 05:07 PM
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Here a draft version of RGB close-ups. This version did neither use SPICE nor Jupiter's shape, resulting in some rgb misalignment for very close parts of Jupiter.
I've submitted several enhanced crops to missionjuno last night.
The quality of the raw data looks good, lots of interesting features are visible.
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Roman Tkachenko
post Feb 4 2017, 06:07 PM
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The Pearl of Jupiter


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jccwrt
post Feb 4 2017, 11:31 PM
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The final image of Jupiter's south pole using Gerald's initial processing with some additional work.

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t_oner
post Feb 5 2017, 08:55 PM
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Enhanced Justin's image a little bit.
Attached thumbnail(s)
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