December 1949 Événements célestes

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

Aperçu des événements célestes mensuels

24 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 1949 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -0.7
Constellation: Capricornus
Angular diameter: 5.1"
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: 18h23m38s
Déclinaison: -25°32'41"

Venus

Excellent
Magnitude apparente: -4.8
Constellation: Aquarius
Angular diameter: 34.2"
Status: near superior 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: 20h40m16s
Déclinaison: -20°17'39"

Mars

Excellent
Magnitude apparente: 0.9
Constellation: Virgo
Angular diameter: 6.8"
Status: near eastern quadrature

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

Ascension droite: 11h46m07s
Déclinaison: +03°55'35"

Jupiter

Excellent
Magnitude apparente: -2.0
Constellation: Aquarius
Angular diameter: 34.0"
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: 20h20m57s
Déclinaison: -20°05'47"

Saturn

Excellent
Magnitude apparente: 0.8
Constellation: Virgo
Angular diameter: 18.0"
Status: near eastern quadrature

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

Ascension droite: 11h23m26s
Déclinaison: +06°02'20"

Uranus

Fair
Magnitude apparente: 5.5
Constellation: Cancer
Angular diameter: 3.9"
Status: near eastern quadrature

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

Ascension droite: 06h14m53s
Déclinaison: +23°40'12"

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: 13h05m09s
Déclinaison: -05°13'50"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Libra
Angular diameter: 12664.4"
Status: Moon illumination 28.8%

Observation tip: Moon illumination 28.8%; good for observing lunar surface detail

Ascension droite: 13h05m24s
Déclinaison: -07°19'00"