Today’s Astronomical Events – March 31st, 2015

Tonight the waxing gibbous Moon passes close to Regulus, the brightest star in the constellation of Leo the Lion. Observers in the United Kingdom will see the pair at their closest. The Moon is bright – how will it affect your ability to see the star?

(Click on an image to enlarge.)

Images courtesy of Mobile Observatory.



20:02 UT – The waxing gibbous Moon passes Regulus (Leo, evening sky. See image above.)

Dwarf planet Ceres leaves Sagittarius and enters Capricornus. (Magnitude 8.5. Pre-dawn sky.)

The globular cluster M68 culminates at midnight tonight. (Magnitude 9.7. Hydra, all night.)

The spiral galaxies M90 and M104, the Sombrero Galaxy, culminate at midnight tonight. (M90: magnitude 10.3. M104: magnitude 9.0. Virgo, all night.)



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.

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


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