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    Articles > December 2019
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Guide to the Night Sky 2020
2020 Guide to the Night Sky

A monthly guide to the night sky in 2020 with star charts, sky calendar, planet data, moon phases, and meteor showers. Expanded for 2020.
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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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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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• Only $11.95 •

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  Sky Calendar -- December 2019
4 First Quarter Moon at 6:58 UT.
5 Moon at apogee (farthest from Earth) at 4h UT (distance 404,446 km; angular size 29.5').
10 Moon near the Pleiades (evening sky) at 19h UT.
The Pleiades (Wikipedia)
11 Venus 1.8° S of Saturn (30° from Sun, evening sky) at 10h UT. Mags. −4.0 and 0.6.
11 Moon near Aldebaran (evening sky) at 12h UT.
Aldebaran (Wikipedia)
12 Full Moon at 5:12 UT.
Full Moon Names (Wikipedia)
13 Moon at northernmost declination in year at 21h UT. Declination +23.23°.
14 Geminid Meteor Shower peaks at 12h UT. Produces bright, medium-speed meteors at its peak (up to 80 meteors/hour). Most reliable meteor shower. Easy to observe (radiant on sky map). Best after midnight.
Meteor Shower Calendar (IMO)
Geminids (NASA)
Geminids of the North (APOD)
14 Moon near Castor (morning sky) at 14h UT.
14 Moon near Pollux (morning sky) at 18h UT.
15 Moon near Beehive cluster M44 (morning sky) at 18h UT.
17 Moon near Regulus (morning sky) at 8h UT.
Regulus (Wikipedia)
18 Moon at perigee (closest to Earth) at 20:16 UT (370,265 km; angular size 32.3').
19 Last Quarter Moon at 4:58 UT.
21 Moon near Spica (morning sky) at 4h UT.
22 December solstice at 4:21 UT. The time when the Sun reaches the point farthest south of the celestial equator marking the start of winter in the Northern Hemisphere and summer in the Southern Hemisphere.
December Solstice (Wikipedia)
23 Moon near Mars (morning sky) at 5h UT. Mag. 1.6.
Mars (Wikipedia)
24 Moon near Antares (morning sky) at 12h UT.
Antares (Wikipedia)
26 Annular Solar Eclipse from 3:34 to 7:01 UT. Greatest eclipse at 5:18 UT. The narrow path of annularity extends from Saudi Arabia to southern India, northern Sri Lanka, Sumatra, Singapore, Borneo and to Guam. Partial eclipse extends across Asia and northern Australia.
Annular Solar Eclipse of 2019 December 26 (GIF) (NASA)
Solar Eclipses: 2011 - 2030 (Mr Eclipse)
NASA Solar Eclipse Page (NASA)
26 New Moon at 5:13 UT. Start of lunation 1200.
Lunation Number (Wikipedia)
27 Moon near Saturn (15° from Sun, evening sky) at 13h UT. Mag. 0.6.
Saturn (Wikipedia)
29 Moon near Venus (34° from Sun, evening sky) at 3h UT. Mag. −4.0.
Venus (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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