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    Articles > January 2018
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50 Things to see with a Small Telescope
2018 Guide to the Night Sky

A monthly guide to the night sky in 2018 with star charts, sky calendar, planet data, moon phases, and meteor showers.
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The Evening Sky Map

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  Sky Calendar -- January 2018
1 Mercury at greatest elongation west (23° from Sun, morning sky) at 20h UT. Mag. −0.3.
1 Moon at perigee (closest to Earth) at 21:54 UT (356,565 km; angular size 33.5'). Closest of 2018.
2 Full Moon at 2:24 UT.
3 Earth at Perihelion (closest to Sun) at 6h UT. The Sun-Earth distance is 0.983284 a.u. or 147.1 million kilometers.
Sun at Aphelion and Perihelion (Anthony Ayiomamitis)
3 Moon near Beehive cluster M44 (morning sky) at 20h UT.
Beehive Cluster (Wikipedia)
M44: The Beehive Cluster (APOD)
3 Quadrantid Meteor Shower peaks at 22h UT. Active between December 28 and January 12. Produces up to 120 meteors per hour. Radiant is in northern Boötes.
Quadrantids (Wikipedia)
The Quadrantids (Gary Kronk)
5 Moon near Regulus (morning sky) at 8h UT. Occultation visible from Alaska, northern Canada, Greenland and Iceland.
Occultation of Regulus (IOTA)
8 Last Quarter Moon at 22:25 UT.
9 Venus at superior conjunction with the Sun at 6h UT. Passes into the evening sky (not visible).
11 Moon near Jupiter and Mars (60° from Sun, morning sky) at 10h UT. Mags. −1.9 and 1.4.
13 Mercury 0.6° S of Saturn (20° from Sun, morning sky) at 8h UT. Mags −0.3 and 0.5.
15 Moon at apogee (farthest from Earth) at 2h UT (distance 406,464 km; angular size 29.4').
17 New Moon at 2:17 UT. Start of lunation 1176.
Lunation Number (Wikipedia)
24 First Quarter Moon at 22:20 UT.
27 Moon near Aldebaran (evening sky) at 9h UT. Occultation visible from NW Canada, Alaska, NE Asia.
Occultation of Aldebaran (IOTA)
30 Moon at perigee (closest to Earth) at 10h UT (358,994 km; angular size 33.3').
31 Moon near Beehive cluster M44 (midnight sky) at 7h UT.
31 Total Eclipse of the Moon begins at 12:52 UT and ends at 14:08 UT. Mid-eclipse at 13:30 UT. Partial phases begin at 11:48 UT and end at 15:11 UT. The Moon will appear red-orange in color during totality (the color of Earth's sunsets). Visible from west North America, the Pacific, Australia, New Zealand, Asia, Russia and India.
Lunar Eclipses: 2011 - 2030 (NASA)
Total Lunar Eclipse of 2018 January 31 (PDF) (NASA)
31 Full Moon at 13:27 UT.
All times Universal Time (UT).
  • USA Eastern Standard Time = UT − 5 hours.
  • Australian Eastern Summer Time = UT + 11 hours
  • Singapore Standard Time = UT + 8 hours.

Clear skies till next month!

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