Juno Perijove 13 |
Juno Perijove 13 |
May 24 2018, 09:03 PM
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#1
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Senior Member Group: Members Posts: 2542 Joined: 13-September 05 Member No.: 497 |
The first batch of PJ13 images have been posted to missionjuno.
-------------------- Disclaimer: This post is based on public information only. Any opinions are my own.
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Jun 25 2018, 11:40 PM
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#2
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IMG to PNG GOD Group: Moderator Posts: 2254 Joined: 19-February 04 From: Near fire and ice Member No.: 38 |
Here are my versions of image PJ13_31 (Hot Spot) which is a a very high resolution image. Approximately true color/contrast:
And enhanced versions that have among other things been sharpened with an unsharp mask where the mask radius gets smaller near the horizon: Due to JunoCam's wide field of view (~58°), the resolution of the high resolution images can vary a lot across the field of view, unlike typical images from narrow angle cameras. The 'image' below shows how the resolution varies in one of the above images. It is computed/rendered at lower resolution than the images above and therefore appears a bit crude. Only the distance is taken into account when computing the resolution (for example the highly oblique viewing angle near the horizon is not included, doing so would result in lower resolution). And some metadata. Note that the resolution at the nadir point is ~2.5 km/pixel. IMAGE_TIME = 2018-05-24T05:43:08 MISSION_PHASE_NAME = PERIJOVE 13 PRODUCT_ID = JNCE_2018144_13C00031_V01 SPACECRAFT_ALTITUDE = 3685.5 km SPACECRAFT_NAME = JUNO SUB_SPACECRAFT_LATITUDE = 6.5491 SUB_SPACECRAFT_LONGITUDE = 27.2725 TITLE = PJ13 Hot Spot Resolution at nadir: ~2.5 km/pixel |
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