Rev 126 - Feb 4-22, 2010 - Mimas (main target), Tethys, Iapetus, Calypso and mutual events too |
Unmanned Spaceflight.com > Outer Solar System > Saturn > Cassini Huygens > Cassini's ongoing mission and raw images  |
Rev 126 - Feb 4-22, 2010 - Mimas (main target), Tethys, Iapetus, Calypso and mutual events too |
 Feb 14 2010, 01:20 PM
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#16
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 Lord Of The Uranian Rings  Group: Members Posts: 798 Joined: 18-July 05 From: Plymouth, UK Member No.: 437  |
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Feb 14 2010, 01:31 PM
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#17
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 Senior Member Group: Members Posts: 3648 Joined: 1-October 05 From: Croatia Member No.: 523 |
Nice work, Ian!
Reminds me of Telesto, but the surface doesn't appear to be as smooth. -------------------- |
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Feb 14 2010, 03:23 PM
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#18
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 Member Group: Members Posts: 655 Joined: 22-January 06 Member No.: 655 |
Some pretty smooth areas at this resolution - it reminds me of Tempel 1 - infilled small craters, and large areas of very smooth terrain.
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Feb 14 2010, 03:36 PM
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#19
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Member Group: Members Posts: 910 Joined: 4-September 06 From: Boston Member No.: 1102 |
Adam--Welcome to UMSF! Nice color image--very crisp. I look forward to seeing your work on more images in the future.
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Feb 14 2010, 03:38 PM
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#20
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 Merciless Robot Group: Admin Posts: 8783 Joined: 8-December 05 From: Los Angeles Member No.: 602 |
Seems like almost every 'rock' in the Saturn system is pretty much covered with external 'snow'. (Sorry for all the 'quotes'!
 ) I assume most if not all of this is coming from Enceladus & not the rings; wonder if this tells us anything about the duration of Enceladus' eruptive activity.
-------------------- A few will take this knowledge and use this power of a dream realized as a force for change, an impetus for further discovery to make less ancient dreams real.
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Feb 14 2010, 04:11 PM
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#21
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Member Group: Members Posts: 910 Joined: 4-September 06 From: Boston Member No.: 1102 |
This look at Calypso was from 21,257 km at closest approach--we get 5 more looks from under 50,000 km:
Aug 13 2010 22,867 km phase 87 deg inbound Sep 23 2010 39,359 km phase 87 deg outbound Mar 10 2012 43,307 km phase 62 deg outbound Apr 14 2012 49,523 km phase 61 deg inbound Sep 30 2015 36,251 km phase 72 deg inbound volcanopele or anyone who can answer: For non targeted flybys listed on SM-7_all.txt, what percent will actually be used for imaging? I know sometimes other activities have higher priorities. My question is not for every (nt) on the list, but in general and for the 5 encounters listed above. Edit: Wow these images get out fast. Wikipedia entry on Calypso is updated with yesterday's image. -------------------- |
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Feb 14 2010, 04:38 PM
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#22
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 Senior Member Group: Members Posts: 1625 Joined: 5-March 05 From: Boulder, CO Member No.: 184 |
While we're waiting for Mimas images here are some improved movies made using Celestia. The wider angle one is almost the WAC field of view and the other one is about the NAC FOV. In the NAC one we can see Saturn and some other moons go by as Mimas recedes.
http://www.flickr.com/photos/47608252@N08/ -------------------- Steve [ my home page and planetary maps page ]
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Feb 14 2010, 04:48 PM
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#23
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Lord Of The Uranian Rings Group: Members Posts: 798 Joined: 18-July 05 From: Plymouth, UK Member No.: 437 |
QUOTE (ugordan @ Feb 14 2010, 01:31 PM)  Nice work, Ian! Thanks Gordan  - I've uploaded a more 'viewer-friendly' version to YouTube:http://www.youtube.com/watch?v=OGbx7_GHXfw -------------------- |
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Feb 14 2010, 04:55 PM
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#24
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Senior Member Group: Members Posts: 1625 Joined: 5-March 05 From: Boulder, CO Member No.: 184 |
Nice 3D effect with Calypso, almost looks like we're holding one of those cardboard models and spinning it around
-------------------- Steve [ my home page and planetary maps page ]
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Feb 14 2010, 05:40 PM
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#25
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 Senior Member Group: Admin Posts: 4763 Joined: 15-March 05 From: Glendale, AZ Member No.: 197 |
I guess I didn't get up early enough. Here's my belated version of calypso
Attached thumbnail(s)
-------------------- If Occam had heard my theory, things would be very different now.
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Feb 14 2010, 05:42 PM
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#26
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Senior Member Group: Members Posts: 1018 Joined: 29-November 05 From: Seattle, WA, USA Member No.: 590 |
QUOTE (Ian R @ Feb 14 2010, 08:48 AM) I've uploaded a more 'viewer-friendly' version to YouTube: Why does it wobble back and forth repeatedly? Is it just showing the same sequence three or four times? --Greg |
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Feb 14 2010, 06:04 PM
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#27
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Lord Of The Uranian Rings Group: Members Posts: 798 Joined: 18-July 05 From: Plymouth, UK Member No.: 437 |
Yes, it's the same sequence of images bouncing forwards and backwards; repeated four times. I prefer this sort of presentation as it allows (in my opinion, anyway) for a better appreciation of the three-dimensional shape of the moon, and is less jarring than a standard 'forward-only' animation.
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Feb 14 2010, 08:47 PM
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#28
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 Senior Member Group: Members Posts: 2079 Joined: 13-February 10 From: Ontario Member No.: 5221 |
Is it just my imagination, or are there thin parallel lines near the right side limb? What could be causing them?
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Feb 14 2010, 08:51 PM
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#29
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 Senior Member Group: Moderator Posts: 3231 Joined: 11-February 04 From: Tucson, AZ Member No.: 23 |
Nope, you're not crazy. I was starting to wonder when someone bring up the neatest thing about Calypso...
-------------------- &@^^!% 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 14 2010, 09:03 PM
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#30
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Senior Member Group: Members Posts: 2079 Joined: 13-February 10 From: Ontario Member No.: 5221 |
QUOTE (volcanopele @ Feb 14 2010, 12:51 PM) Nope, you're not crazy. I was starting to wonder when someone bring up the neatest thing about Calypso... I guess over half a decade of lurking on this forum has honed my observation skills. 
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