December 1940 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 0 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 1940 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -0.6
Constellation: Sagittarius
Angular diameter: 5.2"
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: 16h25m21s
Déclinaison: -21°02'28"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Scorpius
Angular diameter: 12.1"
Status: near inferior 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: 15h23m15s
Déclinaison: -16°53'33"

Mars

Excellent
Magnitude apparente: 1.7
Constellation: Scorpius
Angular diameter: 4.1"
Status: near eastern quadrature

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

Ascension droite: 14h55m02s
Déclinaison: -16°07'50"

Jupiter

Excellent
Magnitude apparente: -2.7
Constellation: Taurus
Angular diameter: 46.3"
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: 02h16m55s
Déclinaison: +12°22'25"

Saturn

Excellent
Magnitude apparente: 0.0
Constellation: Taurus
Angular diameter: 19.6"
Status: near western quadrature

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

Ascension droite: 02h27m46s
Déclinaison: +11°55'29"

Uranus

Fair
Magnitude apparente: 5.6
Constellation: Taurus
Angular diameter: 3.8"
Status: near western quadrature

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

Ascension droite: 03h22m45s
Déclinaison: +18°16'18"

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: 11h53m17s
Déclinaison: +02°05'01"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Gemini
Angular diameter: 11871.8"
Status: Moon illumination 99.8%

Observation tip: Moon illumination 99.8%; good for observing lunar surface detail

Ascension droite: 05h39m04s
Déclinaison: +18°27'45"