Cassini "Kodak Moments" |
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Cassini "Kodak Moments" |
 Jun 5 2006, 01:18 PM
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#31
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 Member  Group: Members Posts: 531 Joined: 24-August 05 Member No.: 471  |
Thanks!
-------------------- - blue_scape / Nico -
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Jun 5 2006, 02:36 PM
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#32
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Member Group: Members Posts: 531 Joined: 24-August 05 Member No.: 471 |
-------------------- - blue_scape / Nico -
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Jun 5 2006, 02:55 PM
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#33
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Rover Driver Group: Members Posts: 1015 Joined: 4-March 04 Member No.: 47 |
Very cool!
By the way: what is that thing at ~2 o'clock on Titan's limb? It looks like an artifact but it seems pretty consistent between the frames. |
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Jun 5 2006, 03:09 PM
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#34
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 Senior Member Group: Members Posts: 3648 Joined: 1-October 05 From: Croatia Member No.: 523 |
That would be charge bleeding on the CCD due to overexposure. It's consistent because pretty much all parameters are constant throughout the sequence -- phase angle, exposure time, filter combo etc...
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Jun 5 2006, 03:11 PM
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#35
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Member Group: Members Posts: 531 Joined: 24-August 05 Member No.: 471 |
Nice finding. Another moon?
-------------------- - blue_scape / Nico -
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Jun 6 2006, 07:58 AM
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#36
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 Director of Galilean Photography Group: Members Posts: 896 Joined: 15-July 04 From: Austin, TX Member No.: 93 |
Titan: The never-crescent moon!
-------------------- Space Enthusiast Richard Hendricks
-- "The engineers, as usual, made a tremendous fuss. Again as usual, they did the job in half the time they had dismissed as being absolutely impossible." --Rescue Party, Arthur C Clarke Mother Nature is the final inspector of all quality. |
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Jun 7 2006, 09:41 AM
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#37
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Senior Member Group: Members Posts: 3648 Joined: 1-October 05 From: Croatia Member No.: 523 |
http://saturn.jpl.nasa.gov/multimedia/imag...eiImageID=77092
It occurs to me that Cassini's current position on a very long orbit, looking at the system from a very high phase angle would be an excellent place to keep an eye on temporal variability of Enceladus' plumes. From what we've seen so far, they're pretty much constantly churning out water. -------------------- |
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Jun 7 2006, 10:16 AM
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#38
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Member Group: Members Posts: 470 Joined: 24-March 04 From: Finland Member No.: 63 |
QUOTE (ugordan @ Jun 7 2006, 09:41 AM)  Somehow that image seems really freaky. The lighting looks like its all wrong. Encaladus is mostly in shadow, but the moon behind is not (I'm guessing it's Rhea). Is the moon behind on the other side of Saturn and so more in Saturnshine than Encaladus? -------------------- Antti Kuosmanen
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Jun 7 2006, 11:11 AM
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#39
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Senior Member Group: Members Posts: 3648 Joined: 1-October 05 From: Croatia Member No.: 523 |
QUOTE (akuo @ Jun 7 2006, 11:16 AM) Is the moon behind on the other side of Saturn and so more in Saturnshine than Encaladus? Yes, the other moon (I believe it's Tethys) is on the far side, above the sunlit side of Saturn so its Saturn-facing hemisphere receives a lot of saturnshine. Enceladus, on the near side, is above Saturn's nightside and it's thus showing us the hemisphere facing away from Saturn. -------------------- |
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Jun 8 2006, 09:23 PM
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#40
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 Senior Member Group: Members Posts: 2492 Joined: 15-January 05 From: center Italy Member No.: 150 |
Here I removed most of sensor noise pattern:
In addition to illumination, another hint about Tethys distance is the "fog" effect caused by G-ring, which lies mostly between the two satellites. -------------------- I always think before posting! - Marco -
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 Jun 12 2006, 10:15 PM
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#41
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Senior Member Group: Members Posts: 2492 Joined: 15-January 05 From: center Italy Member No.: 150 |
Incredible sequence now in the raw section, with Enceladus passing in front of Titan + rings + Tethys.
Here a spectacular stitch of two pictures (I know, we should have ONE Enceladus, not two...  ):
The inset show the enhanced view of Enceladus with plumes! Below the geometry of view (from space simulator):
And this is EPIMETHEUS transiting in front of the giant:
(all images were processed in order to reduce jpeg artifacts and improve sharpness/contrast) -------------------- I always think before posting! - Marco -
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Jun 13 2006, 11:34 AM
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#42
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Senior Member Group: Members Posts: 3648 Joined: 1-October 05 From: Croatia Member No.: 523 |
A perfect example of weird optical effects: Rhea transiting Titan.
Light from Titan, scattered in the optics, makes Rhea's dark limb look notably trimmed. Shows how you have to be very careful in interpreting these kinds of images. -------------------- |
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Jun 28 2006, 09:17 AM
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#43
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Rover Driver Group: Members Posts: 1015 Joined: 4-March 04 Member No.: 47 |
Cassini is churning out stunning images like a factory! Here's another one:
http://photojournal.jpl.nasa.gov/catalog/PIA08207 QUOTE Wrinkled and cracked Enceladus hangs in the distance as the pitted ring moon Janus, at right, rounds the outer edge of the F ring.
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Jul 25 2006, 08:20 PM
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#44
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Senior Member Group: Members Posts: 2492 Joined: 15-January 05 From: center Italy Member No.: 150 |
QUOTE (remcook @ Jun 28 2006, 09:17 AM) Cassini is churning out stunning images like a factory! Here's another one: http://photojournal.jpl.nasa.gov/catalog/PIA08207 Absolutely!  and this one is even more impressive... these incredible views strongly recall wildest scenes from best SF movies
-------------------- I always think before posting! - Marco -
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Feb 15 2007, 03:01 AM
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#45
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Member Group: Members Posts: 599 Joined: 26-August 05 Member No.: 476 |
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