September 1921 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 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 1921 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -0.3
Constellation: Libra
Angular diameter: 5.2"
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: 12h34m13s
Déclinaison: -03°53'49"

Venus

Excellent
Magnitude apparente: -4.0
Constellation: Leo
Angular diameter: 13.3"
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: 09h16m31s
Déclinaison: +16°06'22"

Mars

Excellent
Magnitude apparente: 1.8
Constellation: Leo
Angular diameter: 3.7"
Status: near eastern quadrature

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

Ascension droite: 09h59m13s
Déclinaison: +13°35'34"

Jupiter

Excellent
Magnitude apparente: -1.7
Constellation: Virgo
Angular diameter: 30.6"
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: 11h53m01s
Déclinaison: +01°56'21"

Saturn

Excellent
Magnitude apparente: 1.0
Constellation: Virgo
Angular diameter: 15.9"
Status: near western quadrature

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

Ascension droite: 11h52m55s
Déclinaison: +02°59'14"

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: 22h36m26s
Déclinaison: -09°39'36"

Neptune

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

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

Ascension droite: 09h09m26s
Déclinaison: +16°27'37"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Aquarius
Angular diameter: 11483.1"
Status: Moon illumination 95.1%

Observation tip: Moon illumination 95.1%; good for observing lunar surface detail

Ascension droite: 21h48m08s
Déclinaison: -08°54'29"