August 1917 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

August 1917 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: 0.2
Constellation: Virgo
Angular diameter: 6.5"
Status: near greatest western elongation

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Ascension droite: 11h13m13s
Déclinaison: +04°11'30"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Virgo
Angular diameter: 11.9"
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: 11h28m29s
Déclinaison: +04°39'44"

Mars

Excellent
Magnitude apparente: 1.5
Constellation: Cancer
Angular diameter: 4.3"
Status: near eastern quadrature

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

Ascension droite: 06h51m38s
Déclinaison: +23°32'16"

Jupiter

Excellent
Magnitude apparente: -2.2
Constellation: Gemini
Angular diameter: 37.8"
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: 04h26m10s
Déclinaison: +20°50'08"

Saturn

Excellent
Magnitude apparente: 0.3
Constellation: Leo
Angular diameter: 16.5"
Status: near eastern quadrature

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

Ascension droite: 08h36m07s
Déclinaison: +19°06'02"

Uranus

Fair
Magnitude apparente: 5.8
Constellation: Aquarius
Angular diameter: 3.7"
Status: near eastern quadrature

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

Ascension droite: 21h37m29s
Déclinaison: -14°58'42"

Neptune

Fair
Magnitude apparente: 8.0
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: 08h30m17s
Déclinaison: +18°46'59"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Cancer
Angular diameter: 11560.7"
Status: Moon illumination 6.8%

Observation tip: Moon illumination 6.8%; good for observing lunar surface detail

Ascension droite: 07h31m45s
Déclinaison: +20°45'44"