December 1938 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 1938 mid-month observing conditions

Mercury

Fair
Magnitude apparente: 5.5
Constellation: Sagittarius
Angular diameter: 9.9"
Status: near greatest eastern elongation

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

Ascension droite: 17h21m03s
Déclinaison: -21°10'43"

Venus

Excellent
Magnitude apparente: -4.9
Constellation: Scorpius
Angular diameter: 48.7"
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: 15h12m43s
Déclinaison: -15°15'29"

Mars

Excellent
Magnitude apparente: 1.6
Constellation: Scorpius
Angular diameter: 4.5"
Status: near eastern quadrature

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

Ascension droite: 14h00m19s
Déclinaison: -11°10'16"

Jupiter

Excellent
Magnitude apparente: -2.2
Constellation: Aquarius
Angular diameter: 37.0"
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: 21h59m47s
Déclinaison: -13°21'30"

Saturn

Excellent
Magnitude apparente: 0.6
Constellation: Aries
Angular diameter: 18.4"
Status: near western quadrature

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

Ascension droite: 00h45m19s
Déclinaison: +02°04'30"

Uranus

Fair
Magnitude apparente: 5.7
Constellation: Taurus
Angular diameter: 3.7"
Status: near western quadrature

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

Ascension droite: 02h48m23s
Déclinaison: +15°49'16"

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: 11h37m13s
Déclinaison: +03°42'55"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Libra
Angular diameter: 12241.6"
Status: Moon illumination 39.9%

Observation tip: Moon illumination 39.9%; good for observing lunar surface detail

Ascension droite: 12h09m52s
Déclinaison: -04°57'08"