Mercury passes Antares as it draws closer to the Sun in the sky.
(Click on an image to enlarge.)
Images Courtesy of Mobile Observatory.
21:35 UT – Mercury is 4.0° north of Antares. (Mercury: 100% illuminated, magnitude: -1.1, apparent diameter 4.6”. Scorpius, not visible.)
Mercury leaves Scorpius and enters Ophiuchus. (100% illuminated, magnitude: -1.1, apparent diameter 4.6”. Not visible.)
The Sigma Hydrid meteor shower begins. (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.