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Stellarium is a free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope.
It is being used in planetarium projectors.
Just set your coordinates and go.
October will be a good month for you early risers out there. (That's not me.) You'll only find Jupiter in the night skies before midnight this month, but it will still be spectacular. The Red Planet, Mars, will rise around 1 AM and should provide a great viewing opportunity. A bit later, our sister planet, Venus comes up in all her beauty. If you look just below Venus you should be able to spot Mercury early in the month, especially when it reaches greatest elongation on the 5th and 6th. Even lower and harder to spot will be Saturn. If you capture it with your telescope, don't be surprise if you don't see any rings as they are mostly edge-on right now. Finally, for a new treat, look for the asteroid Vesta on the 22nd.
November brings the usual suspects of plante, but more on that in a moment. November also brings the Leonids Meteor Shower.
The Leonids Meteor Shower occur when the Earth encounters debris left from comet Tempel-Tuttle and have been described as "the cosmic equivalent of bugs hitting the windshield of an automobile." The Leonids are expected to peak on the 17th.
Jupiter is still well placed for viewing with your telescope. Mars is now rising before midnight and visible through most of the night. Saturn climbs higher in the morning sky while Venus sinks lower. Another treat this month could be the asteroid Vesta in the early morning hours of the 24th.
The Geminids Meteor Shower should peak around the 13th or 14th.
Jupiter is setting earlier, but Mars is coming into its glory. Saturn is starts to rise before midnight around the 15th though Venus is getting harder to see.
The real star will be the Moon. Not only are there two full moons, December 2 and 31 (yes, that means a Blue Moon on the 31st), we'll also see a partial Lunar eclipse on December 31. The last eclipse of 2009 occurs on New Year's Eve when a minor partial lunar eclipse takes place in Gemini, and is visible primarily from the Eastern Hemisphere. Greatest eclipse takes place at 19:23 UT when the eclipse magnitude will reach 0.0763.
The apparent magnitude (m) of a celestial body is a measure of its brightness as seen by an observer on Earth, normalized to the value it would have in the absence of the atmosphere. The brighter the object appears, the lower the value of its magnitude.