January 1920 Sky Events

Observer Location:Beijing (39.904°, 116.407°)

Monthly Sky Events Overview

19 sky events total, including 4 moon phases and 1 planetary events.

Daily Sky Events

All times are in local time (Asia/Shanghai)

Group Date Sunrise/Sunset Moonrise/Moonset Moon Phase Sky Events

Planetary outlook

January 1920 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.5
Constellation: Capricornus
Angular diameter: 4.9"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Right ascension: 18h44m15s
Declination: -24°00'42"

Venus

Excellent
Apparent magnitude: -4.1
Constellation: Sagittarius
Angular diameter: 15.7"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Venus is the brightest planet and is best seen at dusk or dawn

Right ascension: 16h45m37s
Declination: -20°12'41"

Mars

Excellent
Apparent magnitude: 0.8
Constellation: Libra
Angular diameter: 7.0"
Status: near eastern quadrature

Observation tip: Visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Right ascension: 13h28m21s
Declination: -07°04'00"

Jupiter

Excellent
Apparent magnitude: -2.6
Constellation: Leo
Angular diameter: 44.9"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its moons are easy to spot and it is excellent for telescope observing

Right ascension: 09h13m16s
Declination: +16°58'04"

Saturn

Excellent
Apparent magnitude: 0.5
Constellation: Virgo
Angular diameter: 19.3"
Status: near eastern quadrature

Observation tip: Visible to the naked eye; Saturn’s rings require a telescope to see clearly

Right ascension: 10h53m32s
Declination: +09°04'50"

Uranus

Fair
Apparent magnitude: 6.0
Constellation: Pisces
Angular diameter: 3.4"
Status: near western quadrature

Observation tip: A telescope is required; Binoculars or a telescope are recommended

Right ascension: 22h07m53s
Declination: -12°17'39"

Neptune

Fair
Apparent magnitude: 7.8
Constellation: Leo
Angular diameter: 2.3"
Status: near eastern quadrature

Observation tip: A telescope is required; A telescope is required; Neptune appears blue-green

Right ascension: 08h52m13s
Declination: +17°33'21"

Moon

Excellent
Apparent magnitude: -12.7
Constellation: Scorpius
Angular diameter: 11520.0"
Status: Moon illumination 31.5%

Observation tip: Moon illumination 31.5%; good for observing lunar surface detail

Right ascension: 14h50m57s
Declination: -17°06'45"