The waning gibbous Moon forms a triangle with both Jupiter and Regulus in the pre-dawn sky.
(Click on an image to enlarge.)
Images Courtesy of Mobile Observatory.
03:12 UT – The waning gibbous Moon is south of Jupiter. (Magnitude -2.3, apparent diameter 41.3”. Leo, pre-dawn sky.)
08:24 UT – Mars is at perihelion, its closest point to the Sun. Distance from the Sun: 1.38 AU. (93% illuminated, magnitude 1.0, apparent diameter 5.0”. Capricornus, evening sky.)
17:37 UT – The waning gibbous Moon is south of Regulus. (Leo, pre-dawn sky.)
The Sigma Hydrid meteor shower reaches its maximum. (Maximum Zenith Hourly Rate: 3)
The Comae Berenicid meteor shower begins. (Maximum Zenith Hourly Rate: 3)
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.