December 2025 Événements célestes

Lieu d'observation:Beijing (39.904°, 116.407°)

Aperçu des événements célestes mensuels

22 événements célestes au total, dont 4 phases lunaires et 1 événements planétaires.

Événements célestes quotidiens

Toutes les heures en heure locale (Asia/Shanghai)

Group Date Lever/Coucher du soleil Lever/Coucher de la lune Phase lunaire Événements célestes

Planetary outlook

December 2025 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -0.5
Constellation: Sagittarius
Angular diameter: 5.8"
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

Ascension droite: 16h08m55s
Déclinaison: -19°25'18"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Sagittarius
Angular diameter: 9.8"
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

Ascension droite: 17h07m03s
Déclinaison: -22°42'56"

Mars

Excellent
Magnitude apparente: 1.2
Constellation: Sagittarius
Angular diameter: 3.9"
Status: near western quadrature

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

Ascension droite: 17h58m57s
Déclinaison: -24°12'43"

Jupiter

Excellent
Magnitude apparente: -2.6
Constellation: Cancer
Angular diameter: 45.5"
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

Ascension droite: 07h41m01s
Déclinaison: +21°36'30"

Saturn

Excellent
Magnitude apparente: 1.0
Constellation: Pisces
Angular diameter: 17.6"
Status: near western quadrature

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

Ascension droite: 23h46m50s
Déclinaison: -03°57'01"

Uranus

Fair
Magnitude apparente: 5.6
Constellation: Taurus
Angular diameter: 3.8"
Status: near western quadrature

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

Ascension droite: 03h45m14s
Déclinaison: +19°37'41"

Neptune

Fair
Magnitude apparente: 7.7
Constellation: Pisces
Angular diameter: 2.3"
Status: near western quadrature

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

Ascension droite: 23h59m51s
Déclinaison: -01°28'47"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Libra
Angular diameter: 11517.9"
Status: Moon illumination 21.6%

Observation tip: Moon illumination 21.6%; good for observing lunar surface detail

Ascension droite: 13h39m07s
Déclinaison: -14°07'16"