Tonight may be a good night to spot Neptune for the first time. You’ll need at least a good pair of binoculars and dark skies but the Moon and stars of Aquarius can act as markers. Neptune itself appears as a conspicuous blue “star.”
The images above depict the sky at 9 p.m. local time.
(Click on an image to enlarge.)
Images Courtesy of Mobile Observatory.
16:29 UT – Saturn appears 24’ south of dwarf planet Ceres. (Saturn: magnitude 0.6, diameter 15.5”. Ceres: magnitude 8.6. Libra, evening sky.)
20:05 UT – The waxing gibbous Moon appears north of Neptune. (Neptune: magnitude 7.8, diameter 2.3”. Aquarius, evening sky.)
Mercury increases its apparent diameter to 9.0” and fades to magnitude 1.0. (Diameter 8.9”. Virgo, evening sky.)
Jupiter increases its apparent diameter to 34.0”. (Magnitude -1.9. Cancer, pre-dawn sky.)
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).