December 1954 Événements célestes

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

Aperçu des événements célestes mensuels

17 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 1954 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -0.9
Constellation: Sagittarius
Angular diameter: 4.7"
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: 17h01m38s
Déclinaison: -23°24'46"

Venus

Excellent
Magnitude apparente: -4.9
Constellation: Scorpius
Angular diameter: 44.9"
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: 14h58m16s
Déclinaison: -14°08'30"

Mars

Excellent
Magnitude apparente: 0.5
Constellation: Pisces
Angular diameter: 7.2"
Status: near western quadrature

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

Ascension droite: 22h38m41s
Déclinaison: -09°37'56"

Jupiter

Excellent
Magnitude apparente: -2.6
Constellation: Leo
Angular diameter: 44.8"
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: 08h03m30s
Déclinaison: +20°45'10"

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: 14h59m24s
Déclinaison: -14°44'59"

Uranus

Fair
Magnitude apparente: 5.5
Constellation: Cancer
Angular diameter: 4.0"
Status: near eastern quadrature

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

Ascension droite: 07h56m30s
Déclinaison: +21°17'39"

Neptune

Fair
Magnitude apparente: 8.0
Constellation: Libra
Angular diameter: 2.2"
Status: near eastern quadrature

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

Ascension droite: 13h45m09s
Déclinaison: -09°04'20"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Leo
Angular diameter: 12116.9"
Status: Moon illumination 70.9%

Observation tip: Moon illumination 70.9%; good for observing lunar surface detail

Ascension droite: 09h54m23s
Déclinaison: +08°17'03"