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Courtesy of EarthSky
A Clear Voice for Science
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Bright object in south on December evenings? It’s the planet Jupiter
If you are out late on this Friday evening, look toward the east to see the moon near the star known as the Lion’s Heart. This is Regulus, brightest star in the constellation Leo the Lion.
Although our sky chart is designed for mid-temperate North American latitudes, the moon and Regulus can be seen late tonight from all around the world. Simply look for the closest bright light to the big and bright waning gibbous moon. The bright star nearby is Regulus.
As seen from the world’s eastern hemisphere – Europe, Africa, Asia, Indonesia, Australia and New Zealand – the moon and Regulus will be farther apart than they are in the Americas. For the most part, people in the eastern hemisphere will see the moon and Regulus closer together on Saturday night, December 25.
After they rise tonight, Regulus will chase the moon westward across the sky. This star and the moon will climb highest up in the sky several hours after midnight. That is close to dawn for mid-temperate latitudes in the southern hemisphere.
By the way, tomorrow morning (on Saturday, December 25), the moon will be at perigee – its closest point to Earth for the month – at 7 a.m. Eastern Time, 6 a.m. Central Time, 5 a.m. Mountain Time, 4 a.m. Pacific Time, or 12 Universal Time.
What is the bright object up before dawn in December?
Written by Bruce McClure
Astronomy Picture of the Day from NASA/JPL
U.S. Naval Observator Astronomical Information center
The York County Astronomical Society
It's 25 December 2010, 3am (Brisbane, Australia time 10hrs + GMT) and I am at sea in Bismarck Sea, Papua New Guinea. I am looking out, I think East into the horizone and about 60 degress from the horizon I see this star going really bright and then going really small and then going bright and big. It keeps on going big and brighter and then going small and dull. I wonder if this is Rugulus.
I am curious and now online to find out about this star, and stumbled upon this website.