September 1939 Événements célestes

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

Aperçu des événements célestes mensuels

23 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

September 1939 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -1.5
Constellation: Virgo
Angular diameter: 5.1"
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: 11h05m45s
Déclinaison: +07°46'04"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Virgo
Angular diameter: 9.7"
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: 11h39m09s
Déclinaison: +03°46'14"

Mars

Excellent
Magnitude apparente: -1.6
Constellation: Aquarius
Angular diameter: 17.8"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Ascension droite: 20h00m33s
Déclinaison: -25°21'28"

Jupiter

Excellent
Magnitude apparente: -2.9
Constellation: Aries
Angular diameter: 49.6"
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: 00h22m34s
Déclinaison: +00°40'47"

Saturn

Excellent
Magnitude apparente: 0.2
Constellation: Aries
Angular diameter: 19.5"
Status: near eastern quadrature

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

Ascension droite: 01h57m03s
Déclinaison: +09°04'19"

Uranus

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

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

Ascension droite: 03h18m02s
Déclinaison: +17°54'48"

Neptune

Fair
Magnitude apparente: 8.0
Constellation: Virgo
Angular diameter: 2.2"
Status: near western quadrature

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

Ascension droite: 11h36m06s
Déclinaison: +03°50'06"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Libra
Angular diameter: 12826.6"
Status: Moon illumination 3.5%

Observation tip: Moon illumination 3.5%; good for observing lunar surface detail

Ascension droite: 12h44m04s
Déclinaison: -06°24'03"