December 1923 Sky Events

Observer Location:Beijing (39.904°, 116.407°)

Monthly Sky Events Overview

21 sky events total, including 5 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

December 1923 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.6
Constellation: Capricornus
Angular diameter: 5.3"
Status: near greatest western elongation

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

Right ascension: 18h33m36s
Declination: -25°30'18"

Venus

Excellent
Apparent magnitude: -3.9
Constellation: Capricornus
Angular diameter: 11.1"
Status: near greatest western elongation

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: 19h09m43s
Declination: -23°57'06"

Mars

Excellent
Apparent magnitude: 1.6
Constellation: Scorpius
Angular diameter: 4.3"
Status: near eastern quadrature

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

Right ascension: 14h19m46s
Declination: -13°03'39"

Jupiter

Excellent
Apparent magnitude: -1.7
Constellation: Sagittarius
Angular diameter: 31.3"
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: 16h10m35s
Declination: -20°21'47"

Saturn

Excellent
Apparent magnitude: 0.7
Constellation: Libra
Angular diameter: 16.2"
Status: near eastern quadrature

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

Right ascension: 13h53m17s
Declination: -09°07'07"

Uranus

Fair
Apparent magnitude: 5.9
Constellation: Pisces
Angular diameter: 3.5"
Status: near western quadrature

Observation tip: Binoculars are recommended; Binoculars or a telescope are recommended

Right ascension: 23h01m34s
Declination: -07°04'21"

Neptune

Fair
Apparent magnitude: 7.9
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: 09h30m59s
Declination: +14°57'58"

Moon

Excellent
Apparent magnitude: -12.7
Constellation: Pisces
Angular diameter: 11779.6"
Status: Moon illumination 49.0%

Observation tip: Moon illumination 49.0%; good for observing lunar surface detail

Right ascension: 23h28m08s
Declination: -04°54'22"