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Wednesday, July 09, 2008

 

Opposition of Jupiter Tonight.

The eastern horizon as seen from the southern hemisphere around 7:30 pm local time. Jupiter is just under the "Teapot" of Sagittarius. The inset shows the opposition of Jupiter's Galilean Moons at this time. Callisto and Ganymede should be easily visible in binoculars (click on the image to enl;arge it).

Tonight is the Opposition of Jupiter, when this planet is biggest and brightest in the sky. Well, Jupiter is always big and bright, but this is now a really good time to loook at Jupiter in a telescope. If you don't have a telescope, but do have binoculars, you can easily follow the changing positions of the Galilean Moons. Otherwise, plead with a friend who has a telescope of go to your local astronomical societie's or planetarium's open day.

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