File:Leading hemisphere of Helene - 20110618.jpg

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原本檔案(960 × 900 像素,檔案大細:186 KB ,MIME類型:image/jpeg

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描述
English: This raw, unprocessed image of Saturn's moon Helene was taken by Cassini on 2011年6月18號 and received on Earth 2011年6月20號.

Helene is a trojan moon of Dione. It leads Dione by 60 degrees in their shared orbit. The view looks toward the leading hemisphere of Helene (33 kilometers, 21 miles across). North on Helene is towards the top.

The camera was pointing toward Helene, and the image was taken using the CL1 and CL2 filters. The image has not been validated or calibrated. A validated/calibrated image will be archived with the Planetary Data System in 2012.

The Cassini Solstice Mission is a joint United States and European endeavor. The Jet Propulsion Laboratory (JPL), a division of the California Institute of Technology in Pasadena, manages the mission for NASA's Science Mission Directorate, Washington, D.C. The Cassini orbiter was designed, developed and assembled at JPL. The imaging team consists of scientists from the US, England, France, and Germany. The imaging operations center and team lead (Dr. C. Porco) are based at the Space Science Institute in Boulder, Colorado.

For more information about the Cassini Solstice Mission visit http://ciclops.org, http://www.nasa.gov/cassini and http://saturn.jpl.nasa.gov.

The original NASA image has been modified by cropping, sharpening and lightening shadows.
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來源 https://ciclops.org/view/6796/Helene-Rev-149-Raw-Preview-1.html.
作者 NASA / Jet Propulsion Laboratory / Space Science Institute.
This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: cropped and sharpened; shadows lightened. Modifications made by WolfmanSF. The original can be found here: https://ciclops.org/view/6796/Helene-Rev-149-Raw-Preview-1.html.

協議

Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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20 6 2011

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現時2011年6月21號 (二) 09:00響2011年6月21號 (二) 09:00嘅縮圖版本960 × 900(186 KB)WolfmanSFRotate 180 deg. to put north on top
2011年6月20號 (一) 18:24響2011年6月20號 (一) 18:24嘅縮圖版本960 × 900(212 KB)WolfmanSF

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