December 2028 Sky Events

Observer Location:Beijing (39.904°, 116.407°)

Monthly Sky Events Overview

20 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 2028 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.7
Constellation: Capricornus
Angular diameter: 5.1"
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: 18h31m36s
Declination: -25°28'48"

Venus

Excellent
Apparent magnitude: -3.9
Constellation: Scorpius
Angular diameter: 11.1"
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: 15h51m37s
Declination: -18°52'45"

Mars

Excellent
Apparent magnitude: 0.9
Constellation: Virgo
Angular diameter: 6.7"
Status: near eastern quadrature

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

Right ascension: 11h53m10s
Declination: +03°07'39"

Jupiter

Excellent
Apparent magnitude: -1.8
Constellation: Libra
Angular diameter: 33.6"
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: 13h25m41s
Declination: -07°41'42"

Saturn

Excellent
Apparent magnitude: 0.1
Constellation: Taurus
Angular diameter: 19.5"
Status: near western quadrature

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

Right ascension: 02h13m46s
Declination: +10°41'40"

Uranus

Fair
Apparent magnitude: 5.6
Constellation: Gemini
Angular diameter: 3.8"
Status: near western quadrature

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

Right ascension: 04h40m55s
Declination: +22°09'58"

Neptune

Fair
Apparent magnitude: 7.7
Constellation: Aries
Angular diameter: 2.3"
Status: near western quadrature

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

Right ascension: 00h24m42s
Declination: +01°03'56"

Moon

Excellent
Apparent magnitude: -12.7
Constellation: Sagittarius
Angular diameter: 12436.6"
Status: Moon illumination 1.5%

Observation tip: Moon illumination 1.5%; good for observing lunar surface detail

Right ascension: 16h29m59s
Declination: -24°49'32"