Voting Round :

PJ3 Encounter

CLOSED : 2016-12-02 00:00:01
Perijove on : 2016-12-11 17:05 UT
About This Round
Juno will be oriented such that the High Gain Antenna points to earth for a gravity pass. That means that the JunoCam field of view will be slightly offset from nadir.

We are continuing to test various modes of the camera so we will only be able to include 1 - 3 targets selected by the public. This should be the completion of camera testing, so that on PeriJove 4 (PJ4) we will welcome public input for all the images we take crossing through perijove.

The number of images we take is limited by our onboard storage. Each picture requires a different amount of data volume so in general we will take a different number of images every PJ. We will rank the selection by the number of votes you cast.
Winner Selection
The results are in! We are still testing the camera settings so we limited our choices from the public vote to 3. At PeriJove 4 (PJ4) we will open up the entire set of possibilities. Our winners from this round are POI NCC 1701, String of Pearls, and Weird Dark Spot.
We are in a unique situation this time because we have limited planning data to go by. Jupiter has been very close to the sun, so our amateur astronomer inputs are not as longitudinally complete as usual, so the cylindrical map that we identify viewable POI's on is not as recent as we'd like. The winds in Jupiter's belts and zones move at different speeds and directions, so predicting what will be in our field of view was challenging. We will schedule the images so that we should see our winners, but we will be as curious as you to see if we actually capture them!

Candidate Points of Interest

Voting has closed for this round. View results in the Candidates list below. Be sure to keep an eye on the Processing Gallery for images of POIs/Campaigns selected during this round of voting taken by the JunoCam!
Cylindrical map generated from data submitted via the JunoCam Planning section.

Round Discussion

General discussion about this round.


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  1. comment by Rieko-16 on 2017-05-16 19:10 UT


  2. comment by PhilipTerryGraham on 2016-12-05 08:41 UT

    Shout-out to everybody from the r/junomission subreddit that voted! :D

  3. comment by Candy on 2016-12-02 19:47 UT

    In the future, if you are wishing for a particular location, please make sure we have a POI in that spot!

  4. comment by Mont Blanc-36 on 2016-12-01 19:45 UT

    weird dark spot because it sounds suspicious and stands out the most, hmmmm...

  5. comment by Don1 on 2016-11-30 22:41 UT

    Here is an example of an oblique angle shot from the space station.

  6. comment by Don1 on 2016-11-30 22:24 UT

    I'm voting for the south equatorial belt just downstream of the great red spot. This is the POI closest to the equator. As the probe gets closer to the equator the altitude gets lower and the image resolution should get better. We've never seen Jupiter at the kind of resolution which the probe is capable of at closest approach. This is an opportunity to see something new.

    What I'd like to see probe do is take a horizon to horizon shot at this location. The zones clouds are at higher altitude than the belts, so looking north and south there should be walls of clouds at the transition from belt to zone. Looking toward the horizon there is a good chance of spotting high altitude clouds or haze layers. Jupiter has a number of chemically reactive elements in it's atmosphere and when UV light hits that brew then it is likely to form chemical compounds which condense into haze.

    Some of the nicest pictures from the space station are oblique angle spots looking towards the horizon. I think that a similar angle should also work for Jupiter.

  7. comment by Ramachandran-86 on 2016-11-30 11:04 UT

    Happy days ahead!!!!

  8. comment by Raisanyo-55 on 2016-11-29 18:53 UT

    There's a long string of suggested POI in 35° south area. Which one would be the most shallow angle, ideally imaging the limb of Jupiter?

  9. comment by Monari-30 on 2016-11-29 12:51 UT

    So excited!

  10. comment by Pare-86 on 2016-11-28 23:20 UT

    Hello. Would it be possible for Juno to observe/capture images of lightning storms? Many thanks. :)

    • comment by Pare-86 on 2016-11-28 22:52 UT
      comment removed.
    • comment by McKellar-43 on 2016-11-28 12:51 UT

      i will go with the black patch

    • comment by Heisei-30 on 2016-11-27 15:26 UT

      I'm with Candy regarding the area in the SEB in the wake of the GRS - always so dynamic with the interacting whorls. No strong preference on the other features, although something at around 41N would have been nice, per John's suggestion.

    • comment by Philosophia-47 on 2016-11-27 12:03 UT

      If I could suggest a list of priorities for imaging at perijove-3, they would be:

      1) The NTBs (24 deg.N, planetographic). The great outbreak on the NTBs jet is still evolving and won’t be in this dynamic phase again for the rest of the mission, so this is a unique chance to image it at hi-res – at any longitude. It’s not marked as a POI but I hope image(s) will be taken anyway.

      2) The SEB rifted region (marked as a POI -- I will vote for it): This may be the only opportunity to image this region from Juno; it is usually very dynamic, and the images might catch an erupting plume, perhaps even with cloud shadows?

      3) Possibly, NN-LRS-1 (41 deg.N, planetographic), which should be around L3 ~ 6. However it has not been imaged yet this apparition (a good methane image is needed) so this longitude is +/-34 deg, and it’s not marked as a POI.

      (By the way, on the predictive map I just posted, longitudes of major features and the extremities of the Juno track are +/- several degrees, and of course minor features may have changed.)


    • comment by Philosophia-47 on 2016-11-27 12:00 UT

      In an attempt to predict what features will be where during perijove-3, I have posted a predictive map for perijove-3 on our BAA Jupiter Section web pages at:

      --John Rogers.

    • comment by Gandalf_Colles on 2016-11-25 20:03 UT

      To anyone who suggests POIs, remember they are more likely to get chosen if you have some sort of historic or scientific information paired with it.

    • comment by Candy on 2016-11-25 15:20 UT

      I am going to vote for the POI just west of the Great Red Spot - that area is always so dynamic and interesting!

    • comment by Glenn on 2016-11-25 04:04 UT

      I suspect all features poleward of 50 degrees latitude in both hemispheres will be imaged by JunoCam as a part of the polar coverage that will take place in any orbit. So I'm going to vote for features in the +-50 degree range