September 2091 Événements célestes

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

Aperçu des événements célestes mensuels

20 événements célestes au total, dont 4 phases lunaires et 2 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 2091 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -1.3
Constellation: Virgo
Angular diameter: 4.8"
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: 11h50m17s
Déclinaison: +02°29'53"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Libra
Angular diameter: 10.1"
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: 12h26m06s
Déclinaison: -01°34'01"

Mars

Excellent
Magnitude apparente: 1.2
Constellation: Scorpius
Angular diameter: 5.1"
Status: near western quadrature

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

Ascension droite: 14h51m58s
Déclinaison: -17°11'45"

Jupiter

Excellent
Magnitude apparente: -2.4
Constellation: Capricornus
Angular diameter: 41.7"
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: 18h54m53s
Déclinaison: -23°06'56"

Saturn

Excellent
Magnitude apparente: 0.0
Constellation: Cancer
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: 06h36m12s
Déclinaison: +22°14'41"

Uranus

Fair
Magnitude apparente: 5.8
Constellation: Pisces
Angular diameter: 3.7"
Status: near western quadrature

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

Ascension droite: 23h15m58s
Déclinaison: -05°36'37"

Neptune

Fair
Magnitude apparente: 7.9
Constellation: Virgo
Angular diameter: 2.2"
Status: near eastern quadrature

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

Ascension droite: 10h02m09s
Déclinaison: +12°29'23"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Libra
Angular diameter: 12882.5"
Status: Moon illumination 3.8%

Observation tip: Moon illumination 3.8%; good for observing lunar surface detail

Ascension droite: 12h59m23s
Déclinaison: -02°31'21"