Images of Saturn and its Moons

decepticon · Oct 29, 2004

TETHYS, DIONE, ENCELADUS!!!! http://saturn1.jpl.nasa.gov/multimedia/images/raw/raw-images-list.cfm?StartRow=113&cacheQ=1&browseLatest=0&storedQ=676436

Swampcat · Oct 29, 2004

Titan, backlit, from ~107,000 km...approximate true color. <div class="Discussion_UserSignature"> ------------------------------------------------------------------- "I hold it that a little rebellion now and then is a good thing, and as necessary in the political world as storms in the physical. Unsuccessful rebellions, indeed, generally establish the encroachments on the rights of the people which have produced them. An observation of this truth should render honest republican governors so mild in their punishment of rebellions as not to discourage them too much. It is a medicine necessary for the sound health of government."Thomas Jefferson </div>

rlb2 · Oct 31, 2004

Here is something strange, I have seen this before at the polar regions on Titan, the atmosphere reaches out much farther from Titan than it does elsewhere. [Check out the large image of what appears to be Titan's south polar region in one of the large images I posted above dated 7/30/04 - 03:32AM]. Image on the left when I lightened it and added contrast looks either like the atmosphere is escaping through the polar region or is gaining mass there??? Cant wait to see if Titan has a magnetic field, this could be due to it interacting with the solar wind and Saturn’s magnetic field. That was just as a scientific guess, not to be confused with reality. <div class="Discussion_UserSignature"> Ron Bennett </div>

rlb2 · Oct 31, 2004

Here is a smaller image of the image I posted dated 7/30/04 - 03:32AM of Titan with a circular ring I imprinted over it, to show the boundaries. <div class="Discussion_UserSignature"> Ron Bennett </div>

bobw · Oct 31, 2004

I've been trying to follow the radar data. I've been looking for one of those false-color maps with altitude but haven't seen any. Correct me if I'm wrong. I think you posted the only elevation data that's been released. The radar maps don't overlap the visual. The difference between the highest spot and the lowest spot is like 400 feet so far? Thanks. <div class="Discussion_UserSignature"> </div>

rlb2 · Nov 1, 2004

Are you talking about this? I took the global mecader map made by JPL and embossed it, to come up with this. I did it as soon as they put it out after the first Titan flyby. I don't know how accurate it is but it does resemble some of what they have been saying about the surface so far. I would like to match this with the radar data to see how accurate it is. If it is in the ballbpark, I then can adjust my embossed depth and refrine my image. I did post it here but I can't find the post, I think they deleted all the posts on this site after a certain length of inactivity. Note this wasn't done by radar it was from the inferred global image map of Titan released by JPL. <div class="Discussion_UserSignature"> Ron Bennett </div>

bobw · Nov 3, 2004

Sorry it took so long to get back to you. I was thinking about something like this Topographic Map of Venus which shows altitude as a gradient of color with red=high and blue=low. The radar images we have from Titan are labeled as light=rough and dark=smooth so the one with the two bright spots on the right don't actually show peaks and valleys. The only thing I've seen about height is the graph you posted 7 posts ago and that doesn't really tell where the high spots are, just that they exist. <div class="Discussion_UserSignature"> </div>

rlb2 · Nov 4, 2004

Thanks for the link. Venus was a challenge to map, but they used that information they learned about Venus, as you probably already knew, to improve on their imaging of Titan. That map of Venus took years to make from radar data. JPL claimed that they would release the radar data of the small strip of Titan they surveyed, about 1 percent. I'm expecting to see a topographic view of Titan any day now. Radar maps are good for penetrating the atmosphere of Titan because they use longer wavelength that can penetrate through the thick atmosphere to get a great view of the surface of the moon. It does have its drawbacks. <div class="Discussion_UserSignature"> Ron Bennett </div>

rlb2 · Nov 5, 2004

Black cat exposed titan_cassini_sar_04_black-cat <div class="Discussion_UserSignature"> Ron Bennett </div>

rlb2 · Nov 5, 2004

titan_cassini_sar_04_sqiggl <div class="Discussion_UserSignature"> Ron Bennett </div>

rlb2 · Nov 5, 2004

titan_cassini_sar_04le <div class="Discussion_UserSignature"> Ron Bennett </div>

rlb2 · Nov 5, 2004

titan_cassini_sar_040826_de <div class="Discussion_UserSignature"> Ron Bennett </div>

rlb2 · Nov 5, 2004

In the new color image, brighter areas may correspond to rougher terrains, slopes facing the radar, or different materials. The pink colors enhance smaller details on the surface, while the green color represents smoother areas. Winding linear features that cut across dark areas may be ridges or channels, although their nature is not yet understood. A large dark circular feature is seen at the western (top left) end of the image, but very few features on Titan resembling fresh impact craters are seen. The area shown is in the northern hemisphere of Titan and is about 150 kilometers (93 miles) wide by 300 kilometers (186 miles) long. The image is a part of a larger strip created from data taken on Oct. 26, 2004, when the Cassini spacecraft flew approximately 1,200 kilometers (745 miles) above Titan's surface. http://saturn.jpl.nasa.gov/cgi-bin/gs2.cgi?path=../multimedia/images/titan/images/PIA06992.jpg&type=image First image - Is the original grayscale radar image released by JPL, I added contrast. Second image - Is the false color image released by JPL again I added contrast Third image- Is a one filter image colorization pia06992-browse.9 <div class="Discussion_UserSignature"> Ron Bennett </div>

rlb2 · Nov 5, 2004

pia06992-browse.5 <div class="Discussion_UserSignature"> Ron Bennett </div>

rlb2 · Nov 5, 2004

pia06992-browse.7 <div class="Discussion_UserSignature"> Ron Bennett </div>

rlb2 · Nov 10, 2004

Here are a couple of extreme close-ups of the streak area. PIA06993_modest.5 <div class="Discussion_UserSignature"> Ron Bennett </div>

rlb2 · Nov 10, 2004

PIA06993_modest.7 <div class="Discussion_UserSignature"> Ron Bennett </div>

Swampcat · Nov 24, 2004

I put this image of Tethys together from the Cassini raw images. It shows the moon in true color from approximately 250,000 km away. <div class="Discussion_UserSignature"> ------------------------------------------------------------------- "I hold it that a little rebellion now and then is a good thing, and as necessary in the political world as storms in the physical. Unsuccessful rebellions, indeed, generally establish the encroachments on the rights of the people which have produced them. An observation of this truth should render honest republican governors so mild in their punishment of rebellions as not to discourage them too much. It is a medicine necessary for the sound health of government."Thomas Jefferson </div>

Swampcat · Dec 16, 2004

Natural color image of Titan's backlit atmosphere as seen from approximately 107,000 km on December 13, 2004: <div class="Discussion_UserSignature"> ------------------------------------------------------------------- "I hold it that a little rebellion now and then is a good thing, and as necessary in the political world as storms in the physical. Unsuccessful rebellions, indeed, generally establish the encroachments on the rights of the people which have produced them. An observation of this truth should render honest republican governors so mild in their punishment of rebellions as not to discourage them too much. It is a medicine necessary for the sound health of government."Thomas Jefferson </div>

CalliArcale · Dec 16, 2004

Breathtaking! Thanks for sharing. <img src="/images/icons/wink.gif" /> The Dione raw images are available now, if you want to try your hand at those. <img src="/images/icons/wink.gif" /> You really do a magnificent job with those images. <div class="Discussion_UserSignature"> "People assume that time is a strict progression of cause to effect, but actually from a non-linear, non-subjective viewpoint it's more like a big ball of wibbly wobbly . . . timey wimey . . . stuff." -- The Tenth Doctor, "Blink" </div>

Swampcat · Dec 19, 2004

"Thanks for sharing." My pleasure <img src="/images/icons/cool.gif" /> "The Dione raw images are available now, if you want to try your hand at those." Funny thing about those Dione images...they seem to have disappeared. A few days ago I downloaded a few of them, but had to stop. When I went back to get more they weren't there. Maybe I'm not looking in the right place, but this has happened before so I doubt it. I've sent an e-mail to the webmaster of the site. Maybe I'll get a response and find out what the story is. In the meantime, if somebody knows another source for the Cassini raw images besides the JPL site I'd appreciate a link. Anyway, I managed to get enough raws to put together my version of this popular image of Dione with Saturn in the background: <div class="Discussion_UserSignature"> ------------------------------------------------------------------- "I hold it that a little rebellion now and then is a good thing, and as necessary in the political world as storms in the physical. Unsuccessful rebellions, indeed, generally establish the encroachments on the rights of the people which have produced them. An observation of this truth should render honest republican governors so mild in their punishment of rebellions as not to discourage them too much. It is a medicine necessary for the sound health of government."Thomas Jefferson </div>

spacechump · Dec 19, 2004

Go here: http://ciclops.lpl.arizona.edu/ir_index.php?id=6 They're all there!

CalliArcale · Dec 20, 2004

*gasps* WOW! Again, breathtaking! The Dione images seem to be up again; maybe they had a server hiccup. <div class="Discussion_UserSignature"> "People assume that time is a strict progression of cause to effect, but actually from a non-linear, non-subjective viewpoint it's more like a big ball of wibbly wobbly . . . timey wimey . . . stuff." -- The Tenth Doctor, "Blink" </div>

Swampcat · Dec 20, 2004

"The Dione images seem to be up again; maybe they had a server hiccup." Yeah, I went there last evening and they were back (after I sent an e-mail to the webmaster...hmmmmm <img src="/images/icons/wink.gif" />). Anyway, I put together this view of Dione. The raws had a lot of data loss so I had to crop it a bit. <div class="Discussion_UserSignature"> ------------------------------------------------------------------- "I hold it that a little rebellion now and then is a good thing, and as necessary in the political world as storms in the physical. Unsuccessful rebellions, indeed, generally establish the encroachments on the rights of the people which have produced them. An observation of this truth should render honest republican governors so mild in their punishment of rebellions as not to discourage them too much. It is a medicine necessary for the sound health of government."Thomas Jefferson </div>

rlb2 · Dec 23, 2004

Another look at Dions streaks. What are those short white colored cuved features to the left between 8:00 and 10:00 clockwise of this image, bright colored crater edges? N00025939-IR1-RED/ BL1-GRN <div class="Discussion_UserSignature"> Ron Bennett </div>

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