Today’s Astronomical Events – May 2nd, 2015

The Moon turns full in two days time as it passes through the faint constellation of Libra. But tonight you can see it as a waxing gibbous close to Spica, the brightest star in the constellation of Virgo the Virgin. .

(Click on an image to enlarge.)

Images courtesy of Mobile Observatory. 



12:02 UT – The waxing gibbous Moon passes Spica. (Naked eye, Virgo, evening sky. See image above.)

19:42 UT – Mercury reaches half phase. (50% illuminated, magnitude -0.2, diameter 7.1”. Naked eye, Taurus, evening sky.)

Mars leaves Aries and enters Taurus. (100% illuminated, magnitude 1.4, diameter 3.8”. Not visible.)



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

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

Learn more about upcoming astronomical events in 2015 An Astronomical Year (Kindle Edition) and The Astronomical Almanac (2015-2019) (Kindle Edition and Paperback Edition) and 2016 An Astronomical Year (North American Kindle 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.

If you have any comments or questions, please feel free to contact me at astronomywriter “at”


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