Today’s Astronomical Events – March 11th, 2015

Mars & Uranus, as seen from the northern hemisphere.

Mars & Uranus, as seen from the northern hemisphere.

Only a week ago, Venus appeared very close to Uranus in the evening twilight. Since then, Venus has moved on and now Mars is passing that distant world. Unfortunately, both planets are closer to the horizon than they were a week ago and Uranus might be difficult to spot. It won’t be visible to the unaided eye and you’ll need at least a pair of binoculars to see it but it’s still worth the challenge.

(Click on an image to enlarge.)

Map courtesy of Mobile Observatory.

 

 

15:57 UT – Mars appears 16’ south of Uranus. (Mars: 98% illuminated, magnitude 1.3, diameter 4.1”. Uranus: magnitude 5.9, diameter 3.4”.  Pisces, evening sky. See images above.)

Mercury leaves Capricornus and enters Aquarius. (77% illuminated, magnitude -0.1, diameter 5.7”. Not visible.)

 

 

Events in bold involve objects and/or events that are easily visible with the naked eye.

All times are in Universal Time (UTC). To convert the time to your timezone, click here.

 

Learn more about every upcoming astronomical event in 2015 An Astronomical Year (Kindle eBook) and The Astronomical Almanac (2015-2019) (Kindle eBook) and The Astronomical Almanac (2015-2019) (Paperback Edition).

The Amateur Astronomer’s Notebook allows astronomers to log 150 observing sessions and includes an appendix of hundreds of suggested deep sky objects.

Details of all available books across the world can be found here or by visiting the author’s page on Amazon.

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