December 1930 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 1930 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: 18h50m52s
Déclinaison: -25°06'29"

Venus

Excellent
Magnitude apparente: -4.8
Constellation: Scorpius
Angular diameter: 50.7"
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: 15h21m21s
Déclinaison: -15°53'57"

Mars

Excellent
Magnitude apparente: -0.4
Constellation: Leo
Angular diameter: 11.3"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Ascension droite: 09h20m37s
Déclinaison: +18°44'33"

Jupiter

Excellent
Magnitude apparente: -2.7
Constellation: Cancer
Angular diameter: 46.0"
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: 07h19m34s
Déclinaison: +22°17'48"

Saturn

Excellent
Magnitude apparente: 0.6
Constellation: Capricornus
Angular diameter: 15.2"
Status: near western quadrature

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

Ascension droite: 18h50m51s
Déclinaison: -22°33'31"

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: 00h43m12s
Déclinaison: +03°54'39"

Neptune

Fair
Magnitude apparente: 7.9
Constellation: Virgo
Angular diameter: 2.3"
Status: near eastern quadrature

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

Ascension droite: 10h31m19s
Déclinaison: +10°02'54"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Libra
Angular diameter: 12396.8"
Status: Moon illumination 26.7%

Observation tip: Moon illumination 26.7%; good for observing lunar surface detail

Ascension droite: 13h14m37s
Déclinaison: -07°43'36"