Today’s Astronomical Events – January 12th, 2015

Castor, the second brightest star in the constellation Gemini, culminates at midnight tonight but is easily visible earlier in the evening. It is named for – and marks the head of – one of the twins and is a double star that can be split with most small telescopes. In actual fact, four stars make up the system but the other components are well beyond the reach of amateur equipment.

(Click on an image to enlarge.)

Images Courtesy of Mobile Observatory.

 

 

The Quadrantid meteor shower ends. A maximum zenith hourly rate: 120. (Boötes, all night but best in the pre-dawn sky. See January 4th for details.)

The constellation Canis Minor (the Little Dog) culminates at midnight tonight. (All night. See image above.)

The bright star Castor culminates at midnight tonight. (Magnitude 2.0. Gemini, all night. See image above.)

 

 

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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