May 1909 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

May 1909 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -0.1
Constellation: Gemini
Angular diameter: 7.1"
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: 04h52m14s
Déclinaison: +24°58'38"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Taurus
Angular diameter: 9.7"
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: 03h42m29s
Déclinaison: +19°23'48"

Mars

Excellent
Magnitude apparente: -0.0
Constellation: Aquarius
Angular diameter: 9.3"
Status: near eastern quadrature

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

Ascension droite: 21h44m21s
Déclinaison: -15°43'10"

Jupiter

Excellent
Magnitude apparente: -2.1
Constellation: Virgo
Angular diameter: 38.4"
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: 10h28m28s
Déclinaison: +10°55'48"

Saturn

Excellent
Magnitude apparente: 0.8
Constellation: Aries
Angular diameter: 16.3"
Status: near eastern quadrature

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

Ascension droite: 01h10m08s
Déclinaison: +04°59'35"

Uranus

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

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

Ascension droite: 19h30m49s
Déclinaison: -22°16'14"

Neptune

Fair
Magnitude apparente: 7.9
Constellation: Cancer
Angular diameter: 2.2"
Status: near western quadrature

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

Ascension droite: 07h04m40s
Déclinaison: +21°53'51"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Pisces
Angular diameter: 12691.1"
Status: Moon illumination 26.8%

Observation tip: Moon illumination 26.8%; good for observing lunar surface detail

Ascension droite: 23h36m39s
Déclinaison: -08°12'28"