December 2016 Événements célestes

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

Aperçu des événements célestes mensuels

21 événements célestes au total, dont 4 phases lunaires et 3 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 2016 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -0.2
Constellation: Capricornus
Angular diameter: 7.3"
Status: near superior 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: 18h59m25s
Déclinaison: -24°10'34"

Venus

Excellent
Magnitude apparente: -4.2
Constellation: Aquarius
Angular diameter: 18.7"
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: 20h46m12s
Déclinaison: -20°17'17"

Mars

Excellent
Magnitude apparente: 0.7
Constellation: Aquarius
Angular diameter: 6.1"
Status: near western quadrature

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

Ascension droite: 21h57m17s
Déclinaison: -13°43'13"

Jupiter

Excellent
Magnitude apparente: -1.8
Constellation: Libra
Angular diameter: 33.9"
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: 13h12m03s
Déclinaison: -06°18'43"

Saturn

Excellent
Magnitude apparente: 0.4
Constellation: Sagittarius
Angular diameter: 15.1"
Status: near eastern quadrature

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

Ascension droite: 17h14m17s
Déclinaison: -21°43'20"

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: 01h17m12s
Déclinaison: +07°29'32"

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: 22h45m15s
Déclinaison: -08°49'57"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Cancer
Angular diameter: 12844.1"
Status: Moon illumination 98.4%

Observation tip: Moon illumination 98.4%; good for observing lunar surface detail

Ascension droite: 06h31m10s
Déclinaison: +18°55'49"