December 2081 Événements célestes

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

Aperçu des événements célestes mensuels

25 événements célestes au total, dont 4 phases lunaires et 2 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 2081 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -0.7
Constellation: Capricornus
Angular diameter: 5.6"
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

Ascension droite: 18h48m17s
Déclinaison: -25°15'20"

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: 17h27m37s
Déclinaison: -23°18'52"

Mars

Excellent
Magnitude apparente: 1.7
Constellation: Scorpius
Angular diameter: 4.3"
Status: near eastern quadrature

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

Ascension droite: 14h32m23s
Déclinaison: -14°09'13"

Jupiter

Excellent
Magnitude apparente: -2.4
Constellation: Pisces
Angular diameter: 40.0"
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: 23h24m43s
Déclinaison: -05°12'06"

Saturn

Excellent
Magnitude apparente: 0.8
Constellation: Aquarius
Angular diameter: 16.1"
Status: near western quadrature

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

Ascension droite: 21h42m42s
Déclinaison: -15°07'01"

Uranus

Fair
Magnitude apparente: 5.9
Constellation: Aquarius
Angular diameter: 3.4"
Status: near western quadrature

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

Ascension droite: 20h39m53s
Déclinaison: -19°00'18"

Neptune

Fair
Magnitude apparente: 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

Ascension droite: 08h38m40s
Déclinaison: +18°13'54"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Gemini
Angular diameter: 12021.8"
Status: Moon illumination 98.2%

Observation tip: Moon illumination 98.2%; good for observing lunar surface detail

Ascension droite: 04h26m12s
Déclinaison: +26°45'40"