December 1918 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 1918 mid-month observing conditions

Mercury

Good
Magnitude apparente: 2.7
Constellation: Capricornus
Angular diameter: 9.6"
Status: near superior conjunction

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Ascension droite: 18h02m38s
Déclinaison: -22°37'07"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Sagittarius
Angular diameter: 9.8"
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: 17h48m11s
Déclinaison: -23°52'32"

Mars

Excellent
Magnitude apparente: 1.2
Constellation: Capricornus
Angular diameter: 4.5"
Status: near western quadrature

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

Ascension droite: 19h52m07s
Déclinaison: -22°11'49"

Jupiter

Excellent
Magnitude apparente: -2.7
Constellation: Cancer
Angular diameter: 46.5"
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: 06h57m06s
Déclinaison: +22°47'23"

Saturn

Excellent
Magnitude apparente: 0.4
Constellation: Virgo
Angular diameter: 19.0"
Status: near eastern quadrature

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

Ascension droite: 10h03m24s
Déclinaison: +13°18'28"

Uranus

Fair
Magnitude apparente: 5.9
Constellation: Aquarius
Angular diameter: 3.4"
Status: near western quadrature

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

Ascension droite: 21h48m12s
Déclinaison: -14°02'33"

Neptune

Fair
Magnitude apparente: 7.8
Constellation: Leo
Angular diameter: 2.3"
Status: near eastern quadrature

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

Ascension droite: 08h45m46s
Déclinaison: +17°54'19"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Taurus
Angular diameter: 12774.8"
Status: Moon illumination 89.4%

Observation tip: Moon illumination 89.4%; good for observing lunar surface detail

Ascension droite: 02h43m58s
Déclinaison: +18°33'35"