September 1984 Événements célestes

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

Aperçu des événements célestes mensuels

25 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

September 1984 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -0.4
Constellation: Virgo
Angular diameter: 7.0"
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: 10h26m26s
Déclinaison: +10°30'51"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Libra
Angular diameter: 11.1"
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: 13h03m25s
Déclinaison: -06°01'45"

Mars

Excellent
Magnitude apparente: 0.1
Constellation: Sagittarius
Angular diameter: 8.6"
Status: near western quadrature

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

Ascension droite: 17h00m31s
Déclinaison: -25°02'12"

Jupiter

Excellent
Magnitude apparente: -2.3
Constellation: Capricornus
Angular diameter: 40.2"
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: 18h15m24s
Déclinaison: -23°29'43"

Saturn

Excellent
Magnitude apparente: 0.6
Constellation: Scorpius
Angular diameter: 15.8"
Status: near western quadrature

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

Ascension droite: 14h44m01s
Déclinaison: -13°38'05"

Uranus

Fair
Magnitude apparente: 5.6
Constellation: Sagittarius
Angular diameter: 3.7"
Status: near western quadrature

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

Ascension droite: 16h32m52s
Déclinaison: -21°55'01"

Neptune

Fair
Magnitude apparente: 7.9
Constellation: Sagittarius
Angular diameter: 2.3"
Status: near western quadrature

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

Ascension droite: 17h54m12s
Déclinaison: -22°16'02"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Taurus
Angular diameter: 11582.2"
Status: Moon illumination 81.3%

Observation tip: Moon illumination 81.3%; good for observing lunar surface detail

Ascension droite: 02h46m28s
Déclinaison: +14°36'01"