December 2055 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 2055 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -0.6
Constellation: Capricornus
Angular diameter: 6.0"
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: 18h54m33s
Déclinaison: -25°01'26"

Venus

Excellent
Magnitude apparente: -4.1
Constellation: Scorpius
Angular diameter: 14.7"
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: 14h49m38s
Déclinaison: -14°02'51"

Mars

Excellent
Magnitude apparente: 1.3
Constellation: Sagittarius
Angular diameter: 3.8"
Status: near eastern quadrature

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

Ascension droite: 17h08m39s
Déclinaison: -23°22'56"

Jupiter

Excellent
Magnitude apparente: -1.9
Constellation: Capricornus
Angular diameter: 32.3"
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: 18h59m43s
Déclinaison: -22°50'52"

Saturn

Excellent
Magnitude apparente: 0.8
Constellation: Aries
Angular diameter: 18.0"
Status: near western quadrature

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

Ascension droite: 00h14m38s
Déclinaison: -01°05'15"

Uranus

Fair
Magnitude apparente: 5.6
Constellation: Libra
Angular diameter: 3.8"
Status: near eastern quadrature

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

Ascension droite: 13h10m02s
Déclinaison: -06°43'58"

Neptune

Fair
Magnitude apparente: 7.7
Constellation: Gemini
Angular diameter: 2.4"
Status: near western quadrature

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

Ascension droite: 04h25m08s
Déclinaison: +19°58'47"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Scorpius
Angular diameter: 12722.3"
Status: Moon illumination 14.9%

Observation tip: Moon illumination 14.9%; good for observing lunar surface detail

Ascension droite: 14h28m52s
Déclinaison: -09°16'23"