August 2017 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 2017 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: 1.5
Constellation: Virgo
Angular diameter: 10.1"
Status: near superior conjunction

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

Ascension droite: 10h45m10s
Déclinaison: +03°20'53"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Cancer
Angular diameter: 13.5"
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: 07h12m12s
Déclinaison: +21°33'36"

Mars

Excellent
Magnitude apparente: 1.7
Constellation: Leo
Angular diameter: 3.5"
Status: near eastern quadrature

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

Ascension droite: 09h16m42s
Déclinaison: +17°01'04"

Jupiter

Excellent
Magnitude apparente: -1.8
Constellation: Libra
Angular diameter: 33.2"
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: 13h12m07s
Déclinaison: -06°24'30"

Saturn

Excellent
Magnitude apparente: 0.3
Constellation: Sagittarius
Angular diameter: 17.4"
Status: near western quadrature

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

Ascension droite: 17h22m20s
Déclinaison: -21°56'22"

Uranus

Fair
Magnitude apparente: 5.8
Constellation: Aries
Angular diameter: 3.6"
Status: near eastern quadrature

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

Ascension droite: 01h46m39s
Déclinaison: +10°22'41"

Neptune

Fair
Magnitude apparente: 7.7
Constellation: Pisces
Angular diameter: 2.4"
Status: near eastern quadrature

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

Ascension droite: 23h00m19s
Déclinaison: -07°22'45"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Taurus
Angular diameter: 12524.3"
Status: Moon illumination 50.7%

Observation tip: Moon illumination 50.7%; good for observing lunar surface detail

Ascension droite: 03h22m39s
Déclinaison: +13°04'38"