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    Articles > July 2023
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Guide to the Night Sky 2023
2023 Guide to the Night Sky

A monthly guide to the night sky in 2023 with star charts, sky calendar, planet data, moon phases, and meteor showers.
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All sky watchers need a planisphere to quickly show the location of stars and constellations for any date and time. Note: Planispheres are designed for specific latitudes so be sure to select one for your latitude.

Guide to the Stars

(5th Edition, Jan. 2013)
A very large 16-inch diameter information-rich planisphere (plastic) for use anywhere between latitude 30° & 60° North. Also available in a Southern Hemisphere edition.
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More Planispheres

The Night Sky Planisphere

A very popular 8-inch diameter, two-sided planisphere (plastic) designed to depict the night sky with less distortion than regular planispheres. Available for several latitudes, and in a smaller 5-inch edition.
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150+ Customer Reviews

Night Sky Editions
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Latitude 30° to 40° North
Latitude 40° to 50° North
Latitude 50° to 60° North
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  Sky Calendar -- July 2023
1 Mercury at superior conjunction with the Sun at 5h UT. The innermost planet passes into the evening sky.
1 Venus 3.6° W of Mars at 8h UT (evening sky). Mags. −4.5 and 1.7.
1 Moon near Antares at 9h UT (evening sky).
Antares (Wikipedia)
3 Full Moon at 11:39 UT.
4 Moon at perigee (closest to Earth) at 22:31 UT (distance 360,149km; angular size 33.2').
6 Earth at Aphelion (farthest from Sun) at 20h UT. The Sun- Earth distance is 1.016681 a.u. or about 152.1 million km.
Earth at Aphelion (SpaceWeather.com)
7 Moon near Saturn at 6h UT (morning sky). Mag. 0.8.
Saturn (Wikipedia)
9 Venus at its brightest at 18h UT. Mag. −4.5.
10 Last Quarter Moon at 1:48 UT.
10 Venus, Mars and Regulus within circle 4.7° diameter at 7h UT (evening sky). Mags. −4.5, 1.7 and 1.4.
10 Mars 0.6° NNE of Regulus at 18h UT (42° from Sun, evening sky). Mags. 1.7 and 1.4.
11 Moon near Jupiter at 21h UT (morning sky). Mag. −2.3.
Jupiter (Wikipedia)
13 Moon near Pleiades at 9h UT (morning sky).
The Pleiades (Wikipedia)
15 Moon near M35 star cluster at 22h UT (21° from Sun, morning sky).
16 Venus 3.5° WSW of Regulus at 18h UT (35° from Sun, evening sky). Mags. −4.5 and 1.4.
17 New Moon at 18:32 UT. Start of lunation 1244.
19 Moon near Mercury at 12h UT (evening sky). Mag. −0.4.
Mercury (Wikipedia)
20 Moon at apogee (farthest from Earth) at 7h UT (distance 406,289km; angular size 29.4').
20 Moon near Venus at 15h UT (evening sky). Mag. −4.4.
Venus (Wikipedia)
20 Moon near Regulus at 19h UT (evening sky).
Regulus (Wikipedia)
21 Moon near Mars at 8h UT (evening sky). Mag. 1.8.
Mars (Wikipedia)
21 Pluto at opposition at 19h UT. Mag. 14.4. Requires at least a 10-inch telescope and a very dark sky to view.
25 Moon near Spica at 7h UT (evening sky).
Spica (Wikipedia)
25 First Quarter Moon at 22:07 UT.
27 Venus, Mercury and Regulus within circle 5.3° diameter at 8h UT (25° from Sun, evening sky). Mags. −4.3, −0.1 and 1.4.
27 Mercury 5.1° NNE of Venus at 12h UT (evening sky). Mags. −0.1 and −4.3.
28 Moon near Antares at 19h UT (evening sky).
Antares (Wikipedia)
29 Mercury 0.1° S of Regulus at 1h UT (evening sky). Mags. 0.0 and 1.4.
All times Universal Time (UT).
  • US Eastern Daylight Time = UT − 4 hours.
  • US Pacific Daylight Time = UT − 7 hours.
  • Australian Eastern Standard Time = UT + 10 hours
  • Singapore Standard Time = UT + 8 hours.

Clear skies till next month!

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