December 1977 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 4 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 1977 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: 1.0
Constellation: Capricornus
Angular diameter: 9.0"
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: 18h29m02s
Déclinaison: -23°15'06"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Sagittarius
Angular diameter: 9.9"
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: 16h49m39s
Déclinaison: -22°04'01"

Mars

Excellent
Magnitude apparente: -0.6
Constellation: Leo
Angular diameter: 12.1"
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: 08h59m38s
Déclinaison: +20°19'59"

Jupiter

Excellent
Magnitude apparente: -2.7
Constellation: Cancer
Angular diameter: 47.4"
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: 06h09m22s
Déclinaison: +23°08'48"

Saturn

Excellent
Magnitude apparente: 0.4
Constellation: Virgo
Angular diameter: 18.9"
Status: near eastern quadrature

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

Ascension droite: 10h12m22s
Déclinaison: +12°33'06"

Uranus

Fair
Magnitude apparente: 5.6
Constellation: Scorpius
Angular diameter: 3.6"
Status: near eastern quadrature

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

Ascension droite: 14h48m37s
Déclinaison: -15°49'14"

Neptune

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

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

Ascension droite: 17h00m19s
Déclinaison: -21°18'22"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Aquarius
Angular diameter: 12552.0"
Status: Moon illumination 24.7%

Observation tip: Moon illumination 24.7%; good for observing lunar surface detail

Ascension droite: 21h33m40s
Déclinaison: -10°23'53"