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Juno is now in a 53-day orbit. When it passes close to Jupiter (“PeriJove” or “PJ”) we will take as many pictures as we can. The number of pictures that we take is limited by the amount of onboard data storage that we have for JunoCam, so we have to be selective. The images are collected as we go from the north pole of Jupiter to the south pole, which happens in a brief 2 hour portion of the orbit. On any given perijove pass we will only be able to image targets in a narrow swath of territory the spacecraft flies over (“groundtrack”).
We are inviting you to participate in this selection process. Each perijove we will tell you if there are any special constraints, special opportunities, or unique goals we are trying to meet. We will set aside data volume for 2 polar images. Then we will invite you to prioritize the points of interest, and we will image as many as we can, based on your priorities.
There will be a voting page for every orbit and we will highlight the Points of Interest (POI’s, defined on the Discussion page) that will be within the JunoCam field of view. Voting will usually be open for 6 days, although that schedule may be modified for holidays. The number of votes that a POI gets will determine its priority. Your comments, your advocacy for a particular POI, will help to get it selected!
Votes for any particular round may be re-assigned until voting closes for that round.
The target prioritization and selection process is ordinarily done by an imaging science team in a conference room or on a telecon. Each scientist argues for their top candidates and says why they are important.
In general we are holding back enough data volume for 2 polar images. Occasionally we will also set aside some data volume for a unique image of a Galilean satellite. All the rest of the data volume will be used to target images in the priority determined by the voting.
You will be a participant in the discussions we would otherwise have off-line. The Juno science team will be weighing in with their wishes, but they will have to advocate and convince you to vote for their favorites. We are hoping that you enjoy being a part of this process, that you enjoy being a member of the JunoCam team.
Voting Round :
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.
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!