December 2014 Événements célestes

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

Aperçu des événements célestes mensuels

19 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 2014 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -1.0
Constellation: Sagittarius
Angular diameter: 4.7"
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: 17h44m55s
Déclinaison: -25°00'28"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Capricornus
Angular diameter: 10.1"
Status: near greatest western 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: 18h23m41s
Déclinaison: -24°11'33"

Mars

Excellent
Magnitude apparente: 1.1
Constellation: Aquarius
Angular diameter: 5.0"
Status: near western quadrature

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

Ascension droite: 20h42m06s
Déclinaison: -19°33'46"

Jupiter

Excellent
Magnitude apparente: -2.3
Constellation: Leo
Angular diameter: 41.5"
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: 09h40m43s
Déclinaison: +14°44'06"

Saturn

Excellent
Magnitude apparente: 0.6
Constellation: Scorpius
Angular diameter: 15.3"
Status: near eastern quadrature

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

Ascension droite: 15h49m03s
Déclinaison: -18°04'20"

Uranus

Fair
Magnitude apparente: 5.8
Constellation: Aries
Angular diameter: 3.6"
Status: near western quadrature

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

Ascension droite: 00h47m22s
Déclinaison: +04°21'14"

Neptune

Fair
Magnitude apparente: 7.8
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: 22h28m34s
Déclinaison: -10°20'57"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Virgo
Angular diameter: 11577.7"
Status: Moon illumination 45.7%

Observation tip: Moon illumination 45.7%; good for observing lunar surface detail

Ascension droite: 11h49m55s
Déclinaison: -00°42'18"