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Cassini image database & updates, And notifications of PDS data releases
Bjorn Jonsson
post Dec 25 2006, 08:52 PM
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I have noticed that the January 1, 2007 Cassini PDS release is already available, see http://pds-imaging.jpl.nasa.gov/data/cassi...assini_orbiter/

I haven't downloaded all of the imaging data and I'm just beginning to digest what I already have but there are some beautiful images of Enceladus' plumes and satellite mutual events, images of the G and D rings and interesting images of Saturn's nightside and fairly good Iapetus images.

Radar and VIMS is also available.

All in all a nice 'Christmas gift' smile.gif.
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elakdawalla
post Aug 3 2007, 04:47 PM
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Thanks. For the Photojournal images, I just searched on Dione, and then I matched the dates and, when date was ambiguous (or, in one case, incorrect), I matched the phase angles and distances. A bit tedious but that's one thing I've been very curious about -- just how many of the "good" images have been released to the public in one way or another? It's not a bad proportion, it turns out, but it's not all of them by any means, and there is a LOT that can be done that hasn't yet been done with color data.

The 16-bit images do have a variety of brightnesses, but I did use IMG2PNG with the "-r" switch and all the Cassini calibration data to calibrate them as I did the format conversion. Clear and green filter images do seem to be pretty reasonable in their brightness, UV ones are pretty dark -- which is more or less what I expect, actually. Remember that Dione is somewhat dark as icy satellites go. Maybe Bjorn can comment on whether the full-size images look like they are supposed to, especially in the UV. I did get errors on every WAC image upon conversion though, so I'm not sure that those are properly calibrated. Of the 900 or so NAC images, IMG2PNG reported errors during the calibration step for about 20 of them.

On the next go-round I'll do Enceladus and we can see how different those look.

--Emily


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Posts in this topic
- Bjorn Jonsson   Cassini image database & updates   Dec 25 2006, 08:52 PM
- - Decepticon   QUOTE and fairly good Iapetus images. Radar and V...   Dec 25 2006, 10:26 PM
- - volcanopele   This release covers the time period from January 1...   Dec 27 2006, 07:20 PM
|- - ugordan   Here's an 8 frame animation showing the late J...   Jan 5 2007, 05:00 PM
||- - TritonAntares   QUOTE (ugordan @ Jan 5 2007, 06:00 PM) He...   Jan 6 2007, 05:52 PM
|||- - ugordan   QUOTE (TritonAntares @ Jan 6 2007, 06:52 ...   Jan 7 2007, 03:38 AM
||- - Michael Capobianco   QUOTE (ugordan @ Jan 5 2007, 12:00 PM) He...   Jan 6 2007, 08:26 PM
|- - elakdawalla   QUOTE (volcanopele @ Dec 27 2006, 11:20 A...   Jan 12 2007, 12:35 AM
|- - volcanopele   Not that I can see. It is possible that I was wro...   Jan 12 2007, 07:29 PM
|- - JTN   (pointed here by Emily's post in another threa...   Feb 11 2007, 08:55 PM
- - remcook   cool   Jan 5 2007, 06:01 PM
- - Bjorn Jonsson   The April 1, 2007 PDS release is out with new ISS,...   Apr 1 2007, 05:08 PM
|- - elakdawalla   QUOTE (Bjorn Jonsson @ Apr 1 2007, 10:08 ...   Apr 3 2007, 12:07 AM
- - ugordan   Is anyone having luck accessing the PDS site, name...   Apr 2 2007, 01:17 PM
|- - tedstryk   QUOTE (ugordan @ Apr 2 2007, 01:17 PM) Is...   Apr 2 2007, 01:28 PM
- - Bjorn Jonsson   Same thing here. Fortunately I finished downloadin...   Apr 2 2007, 01:28 PM
- - volcanopele   http://pds-imaging.jpl.nasa.gov/data/cassi...assin...   Apr 2 2007, 08:43 PM
- - volcanopele   Some highlights from my perspective are the T13 ra...   Apr 2 2007, 08:50 PM
- - ugordan   Here's Janus, an approximately natural color v...   Apr 2 2007, 09:14 PM
- - Bjorn Jonsson   A few comments: This is a Microsoft Access databa...   Apr 3 2007, 05:19 PM
- - tallbear   Is there any sort of search capability in existenc...   Jun 8 2007, 09:07 PM
- - elakdawalla   I'd say the best thing to use to search would ...   Jun 8 2007, 10:21 PM
- - Bjorn Jonsson   What tallbear wants to do should be trivial to do ...   Jun 9 2007, 12:58 AM
- - tallbear   Cool... I'll try Bjorn's database....read ...   Jun 9 2007, 04:37 AM
- - Bjorn Jonsson   The July 1, 2007 PDS Cassini release is starting t...   Jun 29 2007, 07:50 PM
- - elakdawalla   Cool! I've been wanting to do something t...   Jun 29 2007, 08:32 PM
- - scalbers   Emily, That would be pretty neat to see an index....   Jun 29 2007, 09:39 PM
- - djellison   What would the diameter be for the middle of the d...   Jun 29 2007, 10:03 PM
- - scalbers   Maybe 115 pixels?   Jun 29 2007, 10:10 PM
- - ugordan   Yeah, it could be 115. 1/sin(0.5 deg).   Jun 29 2007, 10:18 PM
- - elakdawalla   I sketched my little diagrams and chanted "SO...   Jun 29 2007, 11:35 PM
- - djellison   Screw it - go for 2 pixels / degree 230 pixels f...   Jun 29 2007, 11:46 PM
- - Bjorn Jonsson   I think it might be a good idea to limit this by r...   Jun 29 2007, 11:53 PM
- - elakdawalla   That's not a bad idea. Got any specific recom...   Jun 30 2007, 12:20 AM
- - David   Hm, taking Mimas as your 114 px baseline, that com...   Jun 30 2007, 01:05 AM
|- - scalbers   QUOTE (David @ Jun 30 2007, 01:05 AM) Hm,...   Jul 15 2007, 01:53 PM
- - Bjorn Jonsson   I now have the information on the just released Ca...   Jun 30 2007, 01:10 AM
|- - Bjorn Jonsson   I'm resurrecting this old thread to announce a...   Oct 21 2008, 08:49 PM
- - ugordan   A little comparison of Cassini's solar eclipse...   Jul 12 2007, 07:14 PM
- - ugordan   Two short time-lapse sequences: Three frames on t...   Jul 12 2007, 08:11 PM
- - elakdawalla   I'm returning to this project after a hiatus. ...   Jul 31 2007, 10:18 PM
- - volcanopele   Instrument_ID isn't important if you are listi...   Jul 31 2007, 11:34 PM
- - elakdawalla   I just went through the process of creating an ind...   Jul 31 2007, 11:36 PM
|- - tedstryk   I like it. Perhaps you could do it with more imag...   Aug 1 2007, 12:53 AM
- - ugordan   Wow, this is quite an undertaking you're doing...   Aug 1 2007, 12:05 AM
- - Bjorn Jonsson   There are a few more fields I'd include, in ap...   Aug 1 2007, 12:15 AM
- - ugordan   I've stumbled upon an error in the latest batc...   Aug 1 2007, 03:09 PM
|- - pat   QUOTE (ugordan @ Aug 1 2007, 04:09 PM) I...   Aug 2 2007, 02:59 PM
- - elakdawalla   I've reduced the thumbnails to 128 pix and con...   Aug 1 2007, 04:03 PM
- - ugordan   Ahh, that explains it. Thanks a lot, pat, I'm ...   Aug 2 2007, 03:18 PM
|- - pat   QUOTE (ugordan @ Aug 2 2007, 04:18 PM) Sp...   Aug 3 2007, 02:02 PM
- - elakdawalla   OK, I've had a slightly different go at it. h...   Aug 2 2007, 05:10 PM
|- - ugordan   QUOTE (elakdawalla @ Aug 2 2007, 06:10 PM...   Aug 3 2007, 02:45 PM
- - ugordan   Wow, I assumed the reaction wheel figures were hig...   Aug 3 2007, 02:32 PM
- - elakdawalla   Thanks. For the Photojournal images, I just searc...   Aug 3 2007, 04:47 PM
- - ugordan   I was intrigued by some fairly big brightness diff...   Aug 3 2007, 06:36 PM
- - MouseOnMars   I like your page elakdawalla Reminds me of a s...   Aug 3 2007, 07:30 PM
- - ugordan   It's starting to appear, the ISS volumes COISS...   Sep 30 2007, 03:03 PM
- - elakdawalla   I've been waiting for this!! Thanks f...   Oct 1 2007, 03:58 PM
- - volcanopele   This also means that some of my favorite SAR swath...   Oct 1 2007, 05:09 PM
- - Bjorn Jonsson   The information from this ISS release is now ready...   Oct 10 2007, 12:08 AM
- - peter59   The ISS volumes Coiss_2026 and Coiss_2027 are now ...   Nov 6 2007, 07:55 PM
- - Bjorn Jonsson   There is an early 'Christmas present' at t...   Dec 23 2007, 10:02 PM
|- - ugordan   Lot of good stuff in this PDS release. Your summar...   Dec 23 2007, 11:41 PM
- - edstrick   "....There is heavy emphasis on the rings wit...   Dec 24 2007, 06:30 AM
|- - tedstryk   There is definitely a large body of high phase mul...   Dec 30 2007, 07:58 PM
- - elakdawalla   I've made progress on my massive project to ma...   Jan 7 2008, 04:18 AM
- - ugordan   Folks, just a heads up that 3 new ISS DVDs are now...   Mar 27 2008, 09:47 AM
- - elakdawalla   As usual, Bjorn has created updates to the massive...   Apr 8 2008, 06:55 PM
- - scalbers   It's amazing that Emily has put these pages to...   Apr 8 2008, 07:18 PM
|- - Bjorn Jonsson   QUOTE (scalbers @ Apr 8 2008, 07:18 PM) I...   Apr 9 2008, 12:05 AM
- - elakdawalla   Here's the best icy moons and rocks stuff from...   Apr 11 2008, 12:06 AM
- - Bjorn Jonsson   The ISS images for the July-September 2007 period ...   Jun 25 2008, 09:05 PM
|- - ugordan   Ooh, nice catch, Bjorn. I was checking it myself e...   Jun 25 2008, 09:11 PM
- - elakdawalla   Iapetus!!!! I can't believe i...   Jun 25 2008, 09:33 PM
|- - ugordan   A taste of Iapetus data, from the Saturn system PR...   Jun 25 2008, 09:52 PM
- - elakdawalla   Ooh! An amuse bouche if I ever tasted one -...   Jun 25 2008, 10:05 PM
|- - charborob   QUOTE (elakdawalla @ Jun 25 2008, 06:05 P...   Jun 26 2008, 01:50 PM
|- - ugordan   Another tidbit from the release: an approx. natura...   Jun 26 2008, 06:28 PM
|- - stevesliva   QUOTE (ugordan @ Jun 26 2008, 02:28 PM) A...   Jun 28 2008, 05:18 PM
- - Ant103   I am wondering how can I decode PDS ".img...   Jun 27 2008, 08:19 AM
- - djellison   I use a PC Seriously - I do - img2png on my deskt...   Jun 27 2008, 10:07 AM
- - Bjorn Jonsson   And now when I am at last ready to start large sca...   Jun 28 2008, 01:22 AM
- - elakdawalla   Blerg. I can't access it either. --Emily   Jun 28 2008, 04:46 AM
|- - ugordan   I find that the PDS site is unavailable all too of...   Jun 28 2008, 09:59 AM
- - elakdawalla   I just exchanged emails with some folks at the PDS...   Jun 30 2008, 06:20 PM
|- - ugordan   Looks like they need a mission extension as well.   Jun 30 2008, 06:36 PM
||- - DrShank   QUOTE (ugordan @ Jun 30 2008, 01:36 PM) L...   Jun 30 2008, 07:30 PM
||- - ugordan   You're just trying to make us jealous. Admit i...   Jun 30 2008, 07:44 PM
|- - peter59   QUOTE (elakdawalla @ Jun 30 2008, 07:20 P...   Jul 1 2008, 10:53 AM
- - peter59   The ISS volumes Coiss_2034, Coiss_2035, Coiss_2036...   Jul 8 2008, 05:02 PM
- - volcanopele   Still waiting for all the RADAR swaths to return.   Jul 8 2008, 05:33 PM
- - elakdawalla   Björn sent me these last week and I finally posted...   Jul 8 2008, 06:41 PM
- - elakdawalla   After living with the browse pages I'd made fo...   Aug 2 2008, 04:38 AM
- - Stu   That looks brilliant Emily, a really useful resour...   Aug 2 2008, 06:22 AM
|- - elakdawalla   QUOTE (Stu @ Aug 1 2008, 11:22 PM) I know...   Aug 2 2008, 04:33 PM
- - jasedm   Agreed - and nine days until the next sub-50km fly...   Aug 2 2008, 03:32 PM
- - Stu   Sorry Emily, that came out wrong! I meant us...   Aug 2 2008, 05:17 PM
- - Bjorn Jonsson   I just noticed that the January 1, 2008 ISS PDS re...   Dec 19 2008, 12:35 PM
- - elakdawalla   *Glub glub glub* That's the sound of Emily dr...   Dec 19 2008, 03:58 PM
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