Thursday, August 11, 2011

Giant Planets at Dusk and Dawn (Dawn)

Original artical


Jupiter shines at magnitude -2.1 or -2.2 near the southwestern corner of Aries. It rises about 2 hours before the sun on June 1st, but 4hours early on June 30th. But the best time to observe it telescopically is when it'[s higher, in morning twilight.
That's almost when you can see much fainter Mars(magnitude +1.3 or +1.4) far to Jupiter's lower left. And if you want to wait untill a half hour before sunrise, you can also see Venus shining at magnitude -3.8 to Mars's lower left. This long time of worlds is the last remnant of May's amazingly compact four-planet congregation.


My summary


Jupiter shines at -2.1 or -2.2 magnitude at a southwestern corner of Aries, 2hours before sunrise on June 1st, and 4hours before sunrise on June 30th. Mars shines in magnitude +1.3 or +1.4 on Jupiters far left. Venus rises an hour before sunrise. You can see Venus shining magnitude -3.8 to Mars's left. This is May's compact four-planet congregation.

Sourses: Sky and Telescope-Astronomy On Ice

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