Today’s Astronomical Events – May 17th, 2015

2015-05-17 Corona Borealis and Bootes

The constellation of Corona Borealis, the Northern Crown, is at its best visibility for the year tonight. Follow the curve of the Big Dipper’s handle down to Arcturus in kite-shaped Boötes, the Herdsman, and then look a little to the east. Alpheratz, the jewel in the crown, should be easily visible. (This image depicts the sky from May 1st; the Moon will not be seen as it turns new tomorrow and Comet Siding Spring will have moved on.)

(Click on an image to enlarge.)

Images courtesy of Mobile Observatory. 



The constellations Corona Borealis (the Northern Crown) and Ursa Minor (the Little Bear) culminates at midnight tonight. (Naked eye, all night. See image above.)



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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