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Tuesday, September 15, 2009

 

The Sky This Week - Thursday September 17 to Thursday September 24

The New Moon is Saturday September 19. Mercury is lost in the evening twilight. Jupiter is is easily seen as the brightest object in the evening sky. In the morning, Venus and Mars are seen above the eastern horizon before dawn. Venus and the bright star Regulus are close on Monday September 21.

Evening sky looking east at 7:30 pm local time on Monday September 21. Click to embiggen.

The New Moon is Saturday September 19.

Mercury is lost in the twilight glow.

Earth is at equinox on Wednesday September 23. Day and night are of equal length and the Sun rises due east.

Saturn is no longer visible, and will reappear in the morning in October.

Jupiter is easily seen as the brightest object in the evening sky. While Jupiter is past opposition, where it is biggest and brightest as seen from Earth, it is still more than big enough to be appreciated in even the smallest telescope. If you don't have a telescope to view Jupiter, why not go to one of your local Astronomical Societies or Planetariums open nights? Jupiter's Moons are readily visible in binoculars or a small telescope. On Friday September 18 and Thursday September 24 Jupiter has an interesting alignment of Moons.

Eastern horizon with Venus and Regulus at 5:30 am local time on Monday morning September 21, click to embiggen.

In the morning, Venus and Mars are readily visible in the eastern sky. Red Mars is in the constellation of Gemini.

Bright white Venus is close to the horizon, but is still readily visible in the dawn twilight if you have a clear, unobstructed horizon. On Monday September 21 Venus is near the bright white star Regulus. During the week Venus comes closer to the horizon.

Printable PDF maps of the Eastern sky at 10 pm, Western sky at 10 pm. For further details and more information on what's up in the sky, see Southern Skywatch. Cloud cover predictions can be found at SkippySky.

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