Fil:Leading hemisphere of Helene - 20110618.jpg

Fuld opløsning(960 × 900 billedpunkter, filstørrelse: 186 KB, MIME-type: image/jpeg)


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Beskrivelse

Beskrivelse
English: This raw, unprocessed image of Saturn's moon Helene was taken by Cassini on 18. juni 2011 and received on Earth 20. juni 2011.

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.
Dato
Kilde https://ciclops.org/view/6796/Helene-Rev-149-Raw-Preview-1.html.
Forfatter NASA / Jet Propulsion Laboratory / Space Science Institute.
Dette er et retoucheret billede, hvilket betyder, at det er blevet digitalt ændret fra sin oprindelige version. Ændringer: cropped and sharpened; shadows lightened. Ændringer blev udført af WolfmanSF. Originalen kan findes her.

Licensering

Public domain Denne fil er i offentligt domæne i USA fordi den udelukkende er skabt af NASA. NASAs ophavsretspolitik erklærer at materiale udgivet af NASA ikke er omfattet af ophavsret medmindre andet er nævnt. (Se også Template:PD-USGov, NASAs ophavsretspolitik eller JPLs politik for brug af billeder.)
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Dato/tidMiniaturebilledeDimensionerBrugerKommentar
nuværende21. jun. 2011, 11:00Miniature af versionen fra 21. jun. 2011, 11:00960 × 900 (186 KB)WolfmanSFRotate 180 deg. to put north on top
20. jun. 2011, 20:24Miniature af versionen fra 20. jun. 2011, 20:24960 × 900 (212 KB)WolfmanSF

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