December 2010 Événements célestes

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

Aperçu des événements célestes mensuels

18 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 2010 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: 1.9
Constellation: Capricornus
Angular diameter: 9.3"
Status: near superior conjunction

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Ascension droite: 18h17m37s
Déclinaison: -22°57'41"

Venus

Excellent
Magnitude apparente: -4.8
Constellation: Scorpius
Angular diameter: 34.1"
Status: near greatest eastern elongation

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: 14h29m32s
Déclinaison: -11°46'44"

Mars

Excellent
Magnitude apparente: 1.2
Constellation: Capricornus
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: 18h23m19s
Déclinaison: -24°13'59"

Jupiter

Excellent
Magnitude apparente: -2.4
Constellation: Pisces
Angular diameter: 40.9"
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: 23h42m31s
Déclinaison: -03°20'44"

Saturn

Excellent
Magnitude apparente: 0.8
Constellation: Libra
Angular diameter: 16.8"
Status: near eastern quadrature

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

Ascension droite: 13h01m22s
Déclinaison: -04°00'53"

Uranus

Fair
Magnitude apparente: 5.9
Constellation: Pisces
Angular diameter: 3.5"
Status: near western quadrature

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

Ascension droite: 23h49m05s
Déclinaison: -01°59'44"

Neptune

Fair
Magnitude apparente: 7.8
Constellation: Aquarius
Angular diameter: 2.2"
Status: near western quadrature

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

Ascension droite: 21h54m52s
Déclinaison: -13°11'58"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Aries
Angular diameter: 11554.0"
Status: Moon illumination 63.4%

Observation tip: Moon illumination 63.4%; good for observing lunar surface detail

Ascension droite: 00h22m16s
Déclinaison: +08°07'52"