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>> Amateur astronomer maps Jupiter's moon Ganymede

 
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09/27/2012 09:19 AM
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>> Amateur astronomer maps Jupiter's moon Ganymede
An amateur astronomer has created the first-ever homemade brightness map of Jupiter's huge moon Ganymede in a magnificent display of how non-professional skywatchers can contribute to the field of observational astronomy.

Greek skywatcher Emmanuel Kardasis of the Hellenic Amateur Astronomy Association created the new Ganymede map using a common "hobby" telescope and off-the-shelf camera and computer equipment. His map matches up well with images of Ganymede's surface taken by professionals, said officials with the European Planetary Science Congress (EPSC), which is meeting this week in Madrid.

For example, Kardasis' brightness (or albedo) map identifies such Ganymede features as Phrygia Sulcus, a system of grooves and ridges thousands of miles across, and a low-lying dark area called the Nicholson region.

To create the images, Kardasis attached a camera to his telescope and recorded a video of the ice-covered Ganymede, which is the largest moon in the solar system at 3,273 miles (5,268 kilometers) across.

He picked the video's sharpest frames, then enhanced them using photo-editing software, EPSC officials said.

Read more: [link to www.foxnews.com]

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09/27/2012 09:23 AM
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Re: >> Amateur astronomer maps Jupiter's moon Ganymede
I like IO it looks like Cheese
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