Cassini image database & updates, And notifications of PDS data releases |
Cassini image database & updates, And notifications of PDS data releases |
Dec 25 2006, 08:52 PM
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IMG to PNG GOD Group: Moderator Posts: 2254 Joined: 19-February 04 From: Near fire and ice Member No.: 38 |
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' . |
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Dec 27 2006, 07:20 PM
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Senior Member Group: Moderator Posts: 3242 Joined: 11-February 04 From: Tucson, AZ Member No.: 23 |
This release covers the time period from January 1 to March 31, 2006. No RADAR SAR swaths were taken during this period of time. There were three Titan flybys: T10 (ORS covering anti-Saturnian hemisphere), T11 (ORS low-phase inbound over sub-Saturnian hemisphere), and T12 (ORS moderate phase over anti-Saturnian hemisphere). T11 has some good observations, never messed with T10 or T12 too much since it covered the same territory we had seen over and over again without adding to much new information.
Beyond Titan, there is a decent sequence at Enceladus from Rev20 (look for images in the N1516153055 through N1516171418 range). There are also decent Rhea observations during each orbit (Rev20-21-22). rev22 has some decent Rhea saturn-shine images. Finally, Rev21 has a couple of observations of Tethys over Penelope crater. EDIT: actually, there was a distant SAR look on T12. I'll try to post that within an hour. EDIT again...: and that isn't available yet. Hopefully it will be up by Monday. -------------------- &@^^!% Jim! I'm a geologist, not a physicist!
The Gish Bar Times - A Blog all about Jupiter's Moon Io |
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Jan 12 2007, 12:35 AM
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Administrator Group: Admin Posts: 5172 Joined: 4-August 05 From: Pasadena, CA, USA, Earth Member No.: 454 |
EDIT: actually, there was a distant SAR look on T12. I'll try to post that within an hour. EDIT again...: and that isn't available yet. Hopefully it will be up by Monday. Jason, is that T12 SAR up yet? --Emily -------------------- My website - My Patreon - @elakdawalla on Twitter - Please support unmannedspaceflight.com by donating here.
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Jan 12 2007, 07:29 PM
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#4
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Senior Member Group: Moderator Posts: 3242 Joined: 11-February 04 From: Tucson, AZ Member No.: 23 |
Not that I can see. It is possible that I was wrong and that there wasn't a distant SAR look on T12, but I could have swore they did.
-------------------- &@^^!% Jim! I'm a geologist, not a physicist!
The Gish Bar Times - A Blog all about Jupiter's Moon Io |
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Feb 11 2007, 08:55 PM
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Member Group: Members Posts: 204 Joined: 20-November 05 From: Mare Desiderii Member No.: 563 |
(pointed here by Emily's post in another thread)
It is possible that I was wrong and that there wasn't a distant SAR look on T12, but I could have swore they did. FWIW, the mission description only mentions radiometry/scatterometry (the obs mentioned in the data playback section are RADAR_022OT_WARM4TI12001_RIDER and RADAR_022TI_T12OUTRAD001_PRIME). I also found T12_SEQ_DESIGN_MEMO.PDF, which says: QUOTE Like T4, this RADAR data collection includes only radiometry and scatterometry. RADAR will not operate at the closest approach time, therefore no altimeter or SAR data can be collected. The radiometry scans will include compressed scatterometry for the second time. Before the two outbound radiometry/compressed scatterometry scans, there will be a small scatterometry segment that follows an iso-doppler SAR-style profile with a constant incidence angle of 20 degrees.
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