December 2084 Sky Events

Observer Location:Beijing (39.904°, 116.407°)

Monthly Sky Events Overview

23 sky events total, including 4 moon phases and 2 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 2084 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.5
Constellation: Sagittarius
Angular diameter: 6.1"
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: 16h07m37s
Declination: -19°01'40"

Venus

Excellent
Apparent magnitude: -3.9
Constellation: Sagittarius
Angular diameter: 10.6"
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: 16h10m31s
Declination: -20°01'20"

Mars

Excellent
Apparent magnitude: -1.2
Constellation: Taurus
Angular diameter: 14.9"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Right ascension: 02h36m19s
Declination: +16°41'29"

Jupiter

Excellent
Apparent magnitude: -2.7
Constellation: Cancer
Angular diameter: 46.7"
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: 06h55m12s
Declination: +22°45'42"

Saturn

Excellent
Apparent magnitude: 0.9
Constellation: Pisces
Angular diameter: 17.7"
Status: near western quadrature

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

Right ascension: 23h54m54s
Declination: -03°06'43"

Uranus

Fair
Apparent magnitude: 5.9
Constellation: Aquarius
Angular diameter: 3.4"
Status: near western quadrature

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

Right ascension: 21h26m45s
Declination: -15°45'54"

Neptune

Fair
Apparent magnitude: 7.7
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: 09h06m08s
Declination: +16°35'43"

Moon

Excellent
Apparent magnitude: -12.7
Constellation: Cancer
Angular diameter: 11475.9"
Status: Moon illumination 92.8%

Observation tip: Moon illumination 92.8%; good for observing lunar surface detail

Right ascension: 07h47m49s
Declination: +19°47'56"