December 2031 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 3 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 2031 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -0.2
Constellation: Sagittarius
Angular diameter: 7.2"
Status: near greatest eastern elongation

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

Ascension droite: 16h01m25s
Déclinaison: -18°02'45"

Venus

Excellent
Magnitude apparente: -4.1
Constellation: Scorpius
Angular diameter: 15.3"
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: 14h43m30s
Déclinaison: -13°29'58"

Mars

Excellent
Magnitude apparente: 0.9
Constellation: Aquarius
Angular diameter: 5.6"
Status: near western quadrature

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

Ascension droite: 21h26m16s
Déclinaison: -16°24'01"

Jupiter

Excellent
Magnitude apparente: -1.9
Constellation: Capricornus
Angular diameter: 32.0"
Status: near western 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: 18h28m04s
Déclinaison: -23°14'30"

Saturn

Excellent
Magnitude apparente: -0.5
Constellation: Gemini
Angular diameter: 20.7"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Saturn’s rings require a telescope to see clearly

Ascension droite: 05h13m50s
Déclinaison: +21°25'51"

Uranus

Fair
Magnitude apparente: 5.5
Constellation: Gemini
Angular diameter: 3.9"
Status: near eastern quadrature

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

Ascension droite: 05h39m37s
Déclinaison: +23°30'23"

Neptune

Fair
Magnitude apparente: 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

Ascension droite: 00h49m43s
Déclinaison: +03°36'34"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Capricornus
Angular diameter: 12881.4"
Status: Moon illumination 0.7%

Observation tip: Moon illumination 0.7%; good for observing lunar surface detail

Ascension droite: 18h05m57s
Déclinaison: -19°53'51"