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    Articles > January 2021
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Guide to the Night Sky 2021
2021 Guide to the Night Sky

A monthly guide to the night sky in 2021 with star charts, sky calendar, planet data, moon phases, and meteor showers.
More info | Buy now


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.
More info | Buy now

200+ Customer Reviews

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.
More info | Buy now
• Only $11.95 •

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
Southern Hemisphere
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  Sky Calendar -- January 2021
2 Earth at Perihelion (closest to Sun) at 14h UT. The Sun-Earth distance is 0.983257 a.u. or 147.1 million kilometers.
Sun at Aphelion and Perihelion (Anthony Ayiomamitis)
3 Moon near Regulus at 2h UT (morning sky).
Regulus (Wikipedia)
3 Quadrantid Meteor Shower peaks at 14h UT. Active between December 28 and January 12. Produces up to 110 meteors per hour. Radiant is in northern Bo�tes.
Meteor Shower Calendar (IMO)
Quadrantids (Wikipedia)
6 Last Quarter Moon at 9:37 UT.
7 Moon near Spica at 0h UT (morning sky).
Spica (Wikipedia)
9 Moon at perigee (closest to Earth) at 15:47 UT (distance 367,387 km; angular size 32.5').
10 Moon near Antares at 6h UT (morning sky).
Antares (Wikipedia)
10 Mercury, Jupiter and Saturn within a circle of diam. 2.4° (13° from Sun, evening sky) at 19h UT. Mags. −0.9, −1.9 and 0.6. Mercury 1.4° from Jupiter.
Mercury (Wikipedia)
Jupiter (Wikipedia)
Saturn (Wikipedia)
11 Moon near Venus (morning sky) at 21h UT. Mag. −3.9.
Venus (Wikipedia)
13 New Moon at 5:01 UT. Start of lunation 1213.
14 Moon near Mercury at 10h UT (15° from Sun, evening sky). Mag. −0.9.
Mercury (Wikipedia)
20 Mars 1.6° NNW of Uranus at 20h UT (evening sky). Mags. 0.2 and 5.8.
Mars (Wikipedia)
Uranus (Wikipedia)
20 First Quarter Moon at 21:02 UT.
21 Moon near Mars (evening sky) at 11h UT. Mag. 0.2.
Mars (Wikipedia)
21 Moon at apogee (farthest from Earth) at 13h UT (distance 404,360 km; angular size 29.6').
23 Moon near the Pleiades at 10h UT (evening sky).
The Pleiades (Wikipedia)
24 Mercury at greatest elongation east (19° from Sun, evening sky) at 2h UT. Mag. −0.5.
24 Saturn at conjunction with the Sun at 3h UT. The ringed planet passes into the morning sky (not visible).
24 Moon near Aldebaran at 4h UT (evening sky).
Aldebaran (Wikipedia)
27 Moon near Castor at 11h UT (evening sky).
27 Moon near Pollux at 16h UT (evening sky).
28 Moon near Beehive cluster M44 (midnight sky) at 17h UT.
Beehive Cluster (Wikipedia)
M44: The Beehive Cluster (APOD)
28 Full Moon at 19:17 UT.
Full Moon Names (Wikipedia)
29 Jupiter at conjunction with the Sun at 2h UT. Passes into the morning sky.
30 Moon near Regulus at 9h UT (morning sky).
Regulus (Wikipedia)
All times Universal Time (UT).
  • US Eastern Standard Time = UT − 5 hours.
  • US Pacific Standard Time = UT − 8 hours.
  • Australian Eastern Summer Time = UT + 11 hours
  • Singapore Standard Time = UT + 8 hours.

Clear skies till next month!

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