December 2048 Sky Events

Observer Location:Beijing (39.904°, 116.407°)

Monthly Sky Events Overview

21 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 2048 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.7
Constellation: Capricornus
Angular diameter: 5.4"
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: 18h44m13s
Declination: -25°20'01"

Venus

Excellent
Apparent magnitude: -4.4
Constellation: Aquarius
Angular diameter: 20.3"
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: 20h51m50s
Declination: -19°55'25"

Mars

Excellent
Apparent magnitude: 0.6
Constellation: Pisces
Angular diameter: 6.5"
Status: near western quadrature

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

Right ascension: 22h15m24s
Declination: -12°00'05"

Jupiter

Excellent
Apparent magnitude: -2.8
Constellation: Gemini
Angular diameter: 47.8"
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: 05h43m43s
Declination: +22°57'18"

Saturn

Excellent
Apparent magnitude: 0.6
Constellation: Capricornus
Angular diameter: 15.2"
Status: near western quadrature

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

Right ascension: 19h07m15s
Declination: -22°16'29"

Uranus

Fair
Apparent magnitude: 5.5
Constellation: Virgo
Angular diameter: 3.9"
Status: near eastern quadrature

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

Right ascension: 11h09m27s
Declination: +06°15'37"

Neptune

Fair
Apparent magnitude: 7.7
Constellation: Taurus
Angular diameter: 2.4"
Status: near western quadrature

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

Right ascension: 03h18m49s
Declination: +16°26'36"

Moon

Excellent
Apparent magnitude: -12.7
Constellation: Aries
Angular diameter: 11785.8"
Status: Moon illumination 76.4%

Observation tip: Moon illumination 76.4%; good for observing lunar surface detail

Right ascension: 01h28m20s
Declination: +13°49'04"