Cassini/Huygens Mission Update Thread Pt. 2

billslugg · Jan 15, 2006

telfrow- Galileo dropped a probe into Jupiter in 1995. It found no evidence of complicated hydrocarbons. Am I wrong? How can this be? Such a varied mixture of gasses so close to a star. Why not? Should not Pamspermia rule? Just curious. <div class="Discussion_UserSignature"> </div>

telfrow · Jan 15, 2006

Raw Image N00048031.jpg was taken on January 14, 2006 and received on Earth January 14, 2006. The camera was pointing toward POLYDEUCES, and the image was taken using the CL1 and CL2 filters. This image has not been validated or calibrated. Link <div class="Discussion_UserSignature"> Made weak by time and fate, but strong in will to strive, to seek, to find and not to yeild. - Tennyson </div>

telfrow · Jan 16, 2006

A Storm Escapes the Shadows A great storm swims in the cloud lanes of Saturn's high northern latitudes. Dark bands across the bottom of this view are shadows cast by the partly opaque rings. Cloud features are visible within the shadow of the A ring, below center. The image was taken in polarized infrared light with the Cassini spacecraft narrow-angle camera on Dec. 8, 2005, at a distance of approximately 3.2 million kilometers (2 million miles) from Saturn. The image scale is 37 kilometers (23 miles) per pixel. Link <div class="Discussion_UserSignature"> Made weak by time and fate, but strong in will to strive, to seek, to find and not to yeild. - Tennyson </div>

telfrow · Jan 17, 2006

This has got to be one of the most profoundly beautiful photos I've ever seen... Slightly Sideways Saturn As the ringed giant tugged on the Cassini spacecraft, urging it to make yet another orbit, the intrepid spacecraft took in this all-encompassing panorama. This view was acquired near apoapse -- the farthest point from Saturn in the Cassini spacecraft's elliptical orbit. Even from this distant vantage point, the planet and its rings were still too large to fit into a single frame; this view is a mosaic of two images. The rings are the source of the dark, curving shadows on the northern hemisphere. Mimas (397 kilometers, or 247 miles across) is visible as a speck of light just above the rings at left. Link <div class="Discussion_UserSignature"> Made weak by time and fate, but strong in will to strive, to seek, to find and not to yeild. - Tennyson </div>

arkady · Jan 18, 2006

Just wondering, is the Cassini footage copyrighted in any way, or is it public domain ? Most of these would make for some nice pictures/posters. <div class="Discussion_UserSignature"> "The choice is the Universe, or nothing ... " - H.G Wells </div>

Leovinus · Jan 18, 2006

Any guesses as to this raw image? Here's the caption for it: W00013174.jpg was taken on January 15, 2006 and received on Earth January 16, 2006. The camera was pointing toward TITAN at approximately 164,703 kilometers away, and the image was taken using the IR2 and CL2 filters. <div class="Discussion_UserSignature"> </div>

henryhallam · Jan 18, 2006

I'm pretty sure it's public domain.

telfrow · Jan 18, 2006

Raw Image: W00013074.jpg was taken on January 15, 2006 and received on Earth January 16, 2006. The camera was pointing toward TITAN at approximately 67,311 kilometers away, and the image was taken using the CB3 and CL2 filters. This image has not been validated or calibrated. Link <div class="Discussion_UserSignature"> Made weak by time and fate, but strong in will to strive, to seek, to find and not to yeild. - Tennyson </div>

telfrow · Jan 18, 2006

Raw Image:W00013091.jpg was taken on January 15, 2006 and received on Earth January 16, 2006. The camera was pointing toward TITAN at approximately 42,240 kilometers away, and the image was taken using the CB3 and CL2 filters. This image has not been validated or calibrated. Link <div class="Discussion_UserSignature"> Made weak by time and fate, but strong in will to strive, to seek, to find and not to yeild. - Tennyson </div>

telfrow · Jan 18, 2006

Raw Image:N00048437.jpg was taken on January 17, 2006 and received on Earth January 18, 2006. The camera was pointing toward RHEA at approximately 206,600 kilometers away, and the image was taken using the CL1 and CL2 filters. This image has not been validated or calibrated. Link <div class="Discussion_UserSignature"> Made weak by time and fate, but strong in will to strive, to seek, to find and not to yeild. - Tennyson </div>

telfrow · Jan 18, 2006

Leo: "Over-exposure" and artificating? Looks like they "bracketed" the exposure to get this shot: Link W00013160.jpg was taken on January 15, 2006 and received on Earth January 16, 2006. The camera was pointing toward TITAN at approximately 123,235 kilometers away, and the image was taken using the CB3 and CL2 filters. This image has not been validated or calibrated. <div class="Discussion_UserSignature"> Made weak by time and fate, but strong in will to strive, to seek, to find and not to yeild. - Tennyson </div>

Leovinus · Jan 18, 2006

Perhaps you could explain what you mean. <div class="Discussion_UserSignature"> </div>

telfrow · Jan 19, 2006

The sequence starts with photos like this... <div class="Discussion_UserSignature"> Made weak by time and fate, but strong in will to strive, to seek, to find and not to yeild. - Tennyson </div>

telfrow · Jan 19, 2006

Goes through this stage... <div class="Discussion_UserSignature"> Made weak by time and fate, but strong in will to strive, to seek, to find and not to yeild. - Tennyson </div>

telfrow · Jan 19, 2006

Then to the photo you posted, and finally to the photo I posted. It looks like over exposure and blooming on the rim. Like the exposures were continually backed off until they got the shot. That's what I meant by bracketing the exposure. I know most photographers "bracket" (intentionally over-expose and under-expose by increments of, say, a half stop per exposure) photos to get the "perfect shot" in tough lighting conditions. I'm not sure Cassini can do that, so I'm not sure. Just a guess. I could be wrong. <img src="/images/icons/wink.gif" /> <div class="Discussion_UserSignature"> Made weak by time and fate, but strong in will to strive, to seek, to find and not to yeild. - Tennyson </div>

Leovinus · Jan 19, 2006

Sounds reasonable to me. You only get one pass at the thing to get that perfect shot and the light time makes checking your settings as you go impossible. <div class="Discussion_UserSignature"> </div>

telfrow · Jan 19, 2006

Once again: Wow! Raw Image: N00048513.jpg was taken on January 18, 2006 and received on Earth January 19, 2006. The camera was pointing toward TITAN at approximately 2,198,136 kilometers away, and the image was taken using the CL1 and CL2 filters. This image has not been validated or calibrated. Link <div class="Discussion_UserSignature"> Made weak by time and fate, but strong in will to strive, to seek, to find and not to yeild. - Tennyson </div>

telfrow · Jan 19, 2006

Raw Image: N00048508.jpg was taken on January 18, 2006 and received on Earth January 19, 2006. The camera was pointing toward SATURN-DRING at approximately 1,019,333 kilometers away, and the image was taken using the CL1 and CL2 filters. This image has not been validated or calibrated. Link <div class="Discussion_UserSignature"> Made weak by time and fate, but strong in will to strive, to seek, to find and not to yeild. - Tennyson </div>

telfrow · Jan 20, 2006

Moons in Perspective Two of Saturn's battered, icy companions hover here, above the ringplane. To get a sense of the three-dimensional nature of the scene, note that the wide band of visible rings is in between the two moons in this view from the Cassini spacecraft. Mimas (397 kilometers, or 247 miles across, at left) is outside the far side of the rings. Dione (1,126 kilometers, or 700 miles across) is outside the rings and closest to Cassini. The view is from just beneath the ringplane. The image was taken in visible light with the Cassini spacecraft narrow-angle camera on Dec. 18, 2005, at a distance of approximately 2.2 million kilometers (1.4 million miles) from Dione and 2.7 million kilometers (1.7 million miles) from Mimas. The image scale is 13 kilometers (8 miles) per pixel on Dione and 16 kilometers (10 miles) per pixel on Mimas. Link <div class="Discussion_UserSignature"> Made weak by time and fate, but strong in will to strive, to seek, to find and not to yeild. - Tennyson </div>

telfrow · Jan 20, 2006

Raw Image: N00048726.jpg was taken on January 19, 2006 and received on Earth January 20, 2006. The camera was pointing toward ENCELADUS at approximately 1,763,941 kilometers away, and the image was taken using the CL1 and GRN filters. This image has not been validated or calibrated. Link <div class="Discussion_UserSignature"> Made weak by time and fate, but strong in will to strive, to seek, to find and not to yeild. - Tennyson </div>

telfrow · Jan 24, 2006

Prometheus With Distant Dione The ring moon Prometheus continues its work shaping the delicate F ring as Dione looks on. It is easy to see how Prometheus has an irregular, oblong shape, while Dione is quite round. The rings are partly cut off by Saturn's shadow at right. Prometheus is 102 kilometers (63 miles) wide; Dione is 1,123 kilometers (700 miles) wide. The image was taken in visible light with the Cassini spacecraft narrow-angle camera on Dec. 20, 2005, at a distance of approximately 2.5 million kilometers (1.6 million miles) from Dione and 2.2 million kilometers (1.4 million miles) from Prometheus. The image scale is 15 kilometers (9 miles) per pixel on Dione and 13 kilometers (8 miles) per pixel on Prometheus. Link <div class="Discussion_UserSignature"> Made weak by time and fate, but strong in will to strive, to seek, to find and not to yeild. - Tennyson </div>

telfrow · Jan 25, 2006

Raw image N00049253.jpg was taken on January 24, 2006 and received on Earth January 25, 2006. The camera was pointing toward IAPETUS at approximately 912,575 kilometers away, and the image was taken using the CL1 and CL2 filters. This image has not been validated or calibrated. Link <div class="Discussion_UserSignature"> Made weak by time and fate, but strong in will to strive, to seek, to find and not to yeild. - Tennyson </div>

telfrow · Jan 25, 2006

Raw image N00049156.jpg was taken on January 24, 2006 and received on Earth January 25, 2006. The camera was pointing toward IAPETUS at approximately 956,980 kilometers away, and the image was taken using the CL1 and CL2 filters. This image has not been validated or calibrated. Link <div class="Discussion_UserSignature"> Made weak by time and fate, but strong in will to strive, to seek, to find and not to yeild. - Tennyson </div>

telfrow · Jan 26, 2006

Pulverized Pulchritude (Enhanced Color) This close view of Rhea prominently shows two large impact basins on the ancient and battered moon. The great age of these basins is suggested by the large number of smaller craters that are overprinted within them. Ejecta from the bright, relatively young crater seen in PIA07609 spreads from the eastern limb. Terrain visible in this view is on the side of Rhea (1,528 kilometers, or 949 miles across) that faces away from Saturn. North on Rhea is up and tilted 30 degrees to the left. See PIA07685 for a similar monochrome view. This enhanced color view was created by combining images taken using filters sensitive to ultraviolet, visible green and infrared light. The images were taken with the Cassini spacecraft narrow-angle camera on Dec. 23, 2005, at a distance of approximately 341,000 kilometers (212,000 miles) from Saturn and at a Sun-Saturn-spacecraft, or phase, angle of 42 degrees. The image scale is 2 kilometers (1 mile) per pixel. Link <div class="Discussion_UserSignature"> Made weak by time and fate, but strong in will to strive, to seek, to find and not to yeild. - Tennyson </div>

telfrow · Jan 27, 2006

Raw Image W00013331.jpg was taken on January 26, 2006 and received on Earth January 26, 2006. The camera was pointing toward PROMETHEUS at approximately 3,311,728 kilometers away, and the image was taken using the CL1 and CL2 filters. This image has not been validated or calibrated. Link <div class="Discussion_UserSignature"> Made weak by time and fate, but strong in will to strive, to seek, to find and not to yeild. - Tennyson </div>

Cassini/Huygens Mission Update Thread Pt. 2

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