October 1917 Événements célestes

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

Aperçu des événements célestes mensuels

20 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

October 1917 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -1.1
Constellation: Libra
Angular diameter: 5.5"
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: 12h31m03s
Déclinaison: -01°13'34"

Venus

Excellent
Magnitude apparente: -4.1
Constellation: Sagittarius
Angular diameter: 16.5"
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: 16h04m18s
Déclinaison: -22°50'08"

Mars

Excellent
Magnitude apparente: 1.3
Constellation: Leo
Angular diameter: 5.1"
Status: near eastern quadrature

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

Ascension droite: 09h29m53s
Déclinaison: +16°15'12"

Jupiter

Excellent
Magnitude apparente: -2.7
Constellation: Gemini
Angular diameter: 45.5"
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: 04h39m00s
Déclinaison: +21°13'06"

Saturn

Excellent
Magnitude apparente: 0.4
Constellation: Leo
Angular diameter: 17.6"
Status: near eastern quadrature

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

Ascension droite: 09h02m19s
Déclinaison: +17°30'02"

Uranus

Fair
Magnitude apparente: 5.8
Constellation: Aquarius
Angular diameter: 3.6"
Status: near western quadrature

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

Ascension droite: 21h30m11s
Déclinaison: -15°33'22"

Neptune

Fair
Magnitude apparente: 7.9
Constellation: Leo
Angular diameter: 2.3"
Status: near eastern quadrature

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

Ascension droite: 08h37m04s
Déclinaison: +18°22'46"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Libra
Angular diameter: 11574.9"
Status: Moon illumination 1.4%

Observation tip: Moon illumination 1.4%; good for observing lunar surface detail

Ascension droite: 12h23m34s
Déclinaison: -07°59'43"