August 1981 Événements célestes

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

Aperçu des événements célestes mensuels

21 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

August 1981 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -1.5
Constellation: Leo
Angular diameter: 4.9"
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: 09h59m23s
Déclinaison: +14°07'00"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Virgo
Angular diameter: 12.8"
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: 11h45m50s
Déclinaison: +02°33'37"

Mars

Excellent
Magnitude apparente: 1.6
Constellation: Cancer
Angular diameter: 4.1"
Status: near eastern quadrature

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

Ascension droite: 07h19m57s
Déclinaison: +22°56'51"

Jupiter

Excellent
Magnitude apparente: -1.8
Constellation: Libra
Angular diameter: 32.3"
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: 12h32m57s
Déclinaison: -02°17'34"

Saturn

Excellent
Magnitude apparente: 0.9
Constellation: Libra
Angular diameter: 16.2"
Status: near western quadrature

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

Ascension droite: 12h28m43s
Déclinaison: -00°38'13"

Uranus

Fair
Magnitude apparente: 5.6
Constellation: Scorpius
Angular diameter: 3.8"
Status: near western quadrature

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

Ascension droite: 15h35m19s
Déclinaison: -19°05'11"

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: 17h26m18s
Déclinaison: -21°52'40"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Aquarius
Angular diameter: 12095.6"
Status: Moon illumination 99.4%

Observation tip: Moon illumination 99.4%; good for observing lunar surface detail

Ascension droite: 21h05m26s
Déclinaison: -17°47'18"