December 2013 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 2013 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -0.8
Constellation: Sagittarius
Angular diameter: 4.8"
Status: near inferior conjunction

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

Ascension droite: 16h55m47s
Déclinaison: -23°00'00"

Venus

Excellent
Magnitude apparente: -4.9
Constellation: Aquarius
Angular diameter: 46.8"
Status: near superior 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: 20h01m36s
Déclinaison: -21°43'31"

Mars

Excellent
Magnitude apparente: 1.1
Constellation: Libra
Angular diameter: 6.1"
Status: near eastern quadrature

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

Ascension droite: 12h16m25s
Déclinaison: +00°23'16"

Jupiter

Excellent
Magnitude apparente: -2.7
Constellation: Cancer
Angular diameter: 46.1"
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: 07h19m06s
Déclinaison: +22°16'26"

Saturn

Excellent
Magnitude apparente: 0.6
Constellation: Scorpius
Angular diameter: 15.6"
Status: near eastern quadrature

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

Ascension droite: 15h07m19s
Déclinaison: -15°19'20"

Uranus

Fair
Magnitude apparente: 5.9
Constellation: Aries
Angular diameter: 3.6"
Status: near western quadrature

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

Ascension droite: 00h32m40s
Déclinaison: +02°45'58"

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: 22h20m13s
Déclinaison: -11°04'59"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Taurus
Angular diameter: 11677.5"
Status: Moon illumination 94.7%

Observation tip: Moon illumination 94.7%; good for observing lunar surface detail

Ascension droite: 03h38m51s
Déclinaison: +17°42'43"