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PIA14585: Rings In Between

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PIA14585: Rings In Between  Empty PIA14585: Rings In Between

Post  Admin on Mon Dec 05, 2011 11:08 pm

Rings In Between - December 5, 2011

Saturn's rings lie between a pair of moons in this Cassini spacecraft view that features Mimas and Prometheus.

PIA14585: Rings In Between  Pia14511
Image -

Mimas (246 miles or 396 kilometers across) is the more noticeable of the two moons and is in the top left of the view. The smaller moon Prometheus (53 miles, or 86 kilometers across) is near the center of the image and is closest to Cassini. Mimas is beyond the rings and farthest from the spacecraft.

Lit terrain seen on Mimas is on the leading hemisphere of the moon. This view looks toward the northern, sunlit side of the rings from just above the ringplane.

The image was taken in visible light with the Cassini spacecraft narrow-angle camera on Nov. 4, 2011. The view was acquired at a distance of approximately 746,000 miles (1.2 million kilometers) from Prometheus and 870,000 miles (1.4 million kilometers) from Mimas. Image scale is 4 miles (7 kilometers) per pixel on Prometheus and 5 miles (8 kilometers) per pixel on Mimas.

Link -
Link -

Spiked Image
PIA14585: Rings In Between  Pia14512
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Cropped Portion From Spiked Image
PIA14585: Rings In Between  Mimas10
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The original is a composited creation and obviously "Mimas" has been added to the image. sherlock


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PIA14585: Rings In Between  Empty Re: PIA14585: Rings In Between

Post  Admin on Mon Dec 05, 2011 11:58 pm

Just to try and put this into perspective ...

The Cassini Team and others as well make composited images all the time so it's not a big surprise

This one was on Fox News ....

Conspiracy Theorists Confident: Altered Image a NASA Cover-Up

PIA14585: Rings In Between  Fox10
The NASA image of Saturn's moons Dione and Titan, left, and the high-contrast version showing black Photoshop marks at far right.

Alien conspiracy theorists are confident they've caught NASA in the act of covering up the fact that we are not alone in the universe.

A video posted on YouTube yesterday showed how an image of Saturn's moons Dione and Titan, taken by NASA's Cassini orbiter, had been digitally altered before being added to the space agency's Picture of the Day website.

In the video, "DominatorPS3" turned up the brightness levels on the photo to show that a "huge" object can be seen behind the smaller moon, Dione. Clearly visible are brush strokes that show how the rainbow aura of the object has been blacked out.

"More solid proof of NASA/ government
cover-ups," DominatorPS3 said. "And this is recent. You can do this yourself!!"

Of course, being the Internet, it didn't take long for the truth to get out there, so to speak

The person responsible for the manipulation, Emily Lakdawalla, told a forum of excitable theorists that she made the changes because of the way Cassini takes photos.

"Cassini takes color pictures by snapping three sequential photos through red, green and blue filters," she said. "In the time that separated the three frames, Dione moved, so if I did a simple color composite I would be able to make Titan look right, but not Dione; or Dione look right, but not Titan."

"So I aligned Dione, cut it out, and then aligned Titan," Lakdwalla explained, "and then had to account for the missing bits of shadow where the bits of Dione had been in two of the three channels."

She explained the process further at but it still wasn't enough for the alien hunters, particularly DominatorPS3.

"Thanks for the feedback and explanation," he said in a comment on Lakdwalla's YouTube post. "However I still remain skeptical, because someone still could have ordered her to 'cut it or something out.'"

"But thanks for putting that info up so others can read it; I am not trying to convince people what I believe," he wrote.

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LunaCognita also noticed it as well ....


LunaCognita wrote:Wow! You would think that the NASA APOD "Image of the Day" would be cleaned up a bit better than this one from April 20th of this year was. Look to the right of "Dione", the small Moon that is shown here transiting in front of Titan. NASA says they had to create this composite to account for celestial and spacecraft movement that was occurring while they were shooting the different color channel exposures, but the image processing team could have done a much better job of manipulation and cleanup than you see here with this declared composite.

Original APOD image (resized for the thread)
PIA14585: Rings In Between  Titand10

Color-spiked version of the same frame
PIA14585: Rings In Between  Titand11

Here is the link to the original APOD version of this frame

So it seems creating composited images is the norm ... but it makes me wonder ...

.... what's going on in this Apollo 17 image ? idunno

Has the Earth been composited into this picture ?

AS17-134-20471 - Astronaut Photography of Earth
PIA14585: Rings In Between  A1710

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Cropped portion of the enhanced image
PIA14585: Rings In Between  A17_gi10

PIA14585: Rings In Between  A17_giff

Mission Context

169:33:49 Cernan: Look this away a minute. (Pause) Wait a minute (Pause) Okay. (Pause)

[Gene may be taking a couple of pictures of Jack. If so, they are AS17-134- 20471 and 20472. In 20471, note that Jack's visor is raised. In 20472, it is down. Frame 20472 is far the better picture and shows, among other things, Jack's cuff checklist and the high-gain sighting scope. Note the amount of dirt on the Rover console.]

169:34:06 Schmitt: Okay. In go the scissors. (Pause)

169:34:16 Cernan: Okay. I'm going to go get a gravimeter reading. (Pause)

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