Images of Saturn and its Moons

rlb2 · Jan 23, 2005

IMO, what you're seeing in that image is the result of misaligned color registration due to spacecraft motion. That was one of my concerns - thanks. I realized it isn't the same as the Martian images, everything is in motion. To get the right filter images, RGB right in a row without distortion is a challenge when your trying to image the rings unless you are flying directly away or towards the rings at the time of exposure. The RGB images I used were right in a row but still they came-out distorted. They may have increased or decreased the field of view in one of the RGB channels. Mimas came out as imaged, similar to our moons color.......The camera was focused on Mimas at the time of the exposure so everything else would move a bit....... Can't wait to see your images - to compare notes...... <div class="Discussion_UserSignature"> Ron Bennett </div>

Swampcat · Jan 23, 2005

"Can't wait to see your images - to compare notes...... " <img src="/images/icons/smile.gif" /> Yeah, the mods are a little slow on the weekends getting images approved.<img src="/images/icons/frown.gif" /> Anyway, the image I posted at 1:15am is the same image you posted (with a little cropping). It was very difficult to get everything reasonably registered. As you said, the camera was targeted at Mimas, which caused the background rings to move in the field of view much more than Mimas. It took several layers of cutting and pasting the raw images to line things up in that and the next image. I found that some of the Mimas images were rather easy to register, but some were not. In one case I had to resize one of the raws to get it to match the other two. It's pretty much impossible in some cases to get the color registered perfectly because of the spacecraft motion, but I guess that's the fun in doing it.<img src="/images/icons/cool.gif" /> ------------------ Rhea: <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 · Jan 24, 2005

Great job. I'm going to play around with the rings a little more as soon as I can break free. <div class="Discussion_UserSignature"> Ron Bennett </div>

rlb2 · Feb 18, 2005

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

rlb2 · Feb 18, 2005

ENCELADUS 2 <div class="Discussion_UserSignature"> Ron Bennett </div>

abq_farside · Feb 18, 2005

RE: ENCELADUS Very strange and interesting view. Almost looks likes a set of veins with a small hub. I did not realize that ENCELADUS was similar to Europa. <div class="Discussion_UserSignature"> Don't let who you are keep you from becoming who you want to be! </div>

Swampcat · Feb 18, 2005

I hope I've got this image of Enceladus turned right side up. I can't figure out which end is north and which is south. I figure it's a 50-50 chance I'm right. If not, just turn your monitor upside down for proper viewing. <img src="/images/icons/crazy.gif" /> <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 · Feb 18, 2005

Very strange and interesting view. Almost looks likes a set of veins with a small hub. Very interesting indeed. I wonder what process made it. Its almost looks like a huge root system.... In some areas of Mars there are similar looking root-like terrain.... Here is a view of a "Saturn's aurora defy scientists' expectations" http://www.spaceref.com/news/viewpr.html?pid=16177 <div class="Discussion_UserSignature"> Ron Bennett </div>

rlb2 · Feb 18, 2005

I streched the last image a bit. <div class="Discussion_UserSignature"> Ron Bennett </div>

rlb2 · Feb 19, 2005

Enceladus - Quite a intriguing world. As aqb_farside implied this does look like a candidate for an ice covered water world like Europa. A darker look at it. <div class="Discussion_UserSignature"> Ron Bennett </div>

Swampcat · Feb 20, 2005

Enceladus (IR1, GRN & UV3 filters): <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 · Feb 21, 2005

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

Swampcat · Feb 21, 2005

The latest image of Dione: <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 · Feb 21, 2005

One of the latest images of Tethys: <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 · Feb 21, 2005

And the latest image of Rhea (unzoomed): <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 · Feb 23, 2005

Tethys (IR1, GRN & UV3 filters): <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 · Feb 25, 2005

Animation of Dione eclipsing Tethys: <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>

vogon13 · Mar 15, 2005

Post deleted by vogon13 <div class="Discussion_UserSignature"> TPTB went to Dallas and all I got was Plucked !!So many people, so few recipes !!Let's clean up this stinkhole !! </div>

vogon13 · Mar 17, 2005

Post deleted by vogon13 <div class="Discussion_UserSignature"> TPTB went to Dallas and all I got was Plucked !!So many people, so few recipes !!Let's clean up this stinkhole !! </div>

vogon13 · Mar 19, 2005

And why don't I try to keep this adjacent to the Iapetus thread, as it is sooooo helpful. <div class="Discussion_UserSignature"> TPTB went to Dallas and all I got was Plucked !!So many people, so few recipes !!Let's clean up this stinkhole !! </div>

vogon13 · Mar 19, 2005

An assymetric density gradient is believed to have been the 'clincher' for the current orientation of the earth's moon relative to earth. So you are looking in the right direction. Probing the interiors of these satellites while possible, is not likely to be accomplished in my lifetime. A network of siesmographs and 'thumpers' will need to be deployed to each satellite. The results would definitely be profoundly interesting, but the logistics of doing the job with the current space budget is beyond daunting. A seismograph on Enceladus? I'm salivating at the prospect. 'Listening' to the ice creak and groan as Enceladus glides around Saturn, and the rumbling of the volcanoes or geysers or whatever it is that's going on would be spectacular. Tomographic 'images' have been made of the interior of earth, a complete volume of data for all the major solar system objects would real explain so many things. I've only ever had 1 astronomy course, it was at a small community college 22 years ago. Must have been a good instructor (he was!, still see him interviewed on local TV when something astronomical happens). And as was recently pointed out to me in Free Space, I'm a stupid farmer. <img src="/images/icons/crazy.gif" /> <div class="Discussion_UserSignature"> TPTB went to Dallas and all I got was Plucked !!So many people, so few recipes !!Let's clean up this stinkhole !! </div>

Swampcat · Mar 20, 2005

Here are two approximate true color images of Dione. The raw images for the one on the left were taken March 7 from approximately 1.6 million km away, while the right raws were taken March 6 from approximately 1.4 million km away. Both images were created using infrared, green and ultraviolet filters. <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 · Mar 20, 2005

Approximate true color image of Enceladus. Raws (red, green & blue filters) taken from approximately 170,000 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 · Mar 20, 2005

Approximate true color image of Enceladus. Raws (red, green & blue filters) taken from approximately 4,600 km away. Some data loss on raws. Motion of moon and spacecraft made this a difficult image to create. Full size image (699x855, 130kb) Thanks to ImageShack for Free Image Hosting. <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>

vogon13 · Mar 20, 2005

As always, the pix are very much appreciated and so gosh darn usefull. That color Enceladus from 170000 km is really nice. I like that 'alien vista' effect, doncha' know. <div class="Discussion_UserSignature"> TPTB went to Dallas and all I got was Plucked !!So many people, so few recipes !!Let's clean up this stinkhole !! </div>

Images of Saturn and its Moons

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