October 2017 Événements célestes

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

Aperçu des événements célestes mensuels

23 événements célestes au total, dont 4 phases lunaires et 3 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

October 2017 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -1.2
Constellation: Libra
Angular diameter: 4.7"
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: 13h37m43s
Déclinaison: -09°39'50"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Libra
Angular diameter: 10.8"
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: 12h05m01s
Déclinaison: +01°06'03"

Mars

Excellent
Magnitude apparente: 1.8
Constellation: Virgo
Angular diameter: 3.8"
Status: near eastern quadrature

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

Ascension droite: 11h43m48s
Déclinaison: +03°01'05"

Jupiter

Excellent
Magnitude apparente: -1.7
Constellation: Libra
Angular diameter: 30.7"
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: 13h56m46s
Déclinaison: -10°50'44"

Saturn

Excellent
Magnitude apparente: 0.5
Constellation: Sagittarius
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: 17h30m28s
Déclinaison: -22°13'46"

Uranus

Fair
Magnitude apparente: 5.7
Constellation: Aries
Angular diameter: 3.7"
Status: near eastern quadrature

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

Ascension droite: 01h40m01s
Déclinaison: +09°44'24"

Neptune

Fair
Magnitude apparente: 7.7
Constellation: Pisces
Angular diameter: 2.3"
Status: near western quadrature

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

Ascension droite: 22h54m32s
Déclinaison: -07°58'42"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Leo
Angular diameter: 12319.0"
Status: Moon illumination 23.7%

Observation tip: Moon illumination 23.7%; good for observing lunar surface detail

Ascension droite: 09h43m55s
Déclinaison: +13°43'42"