August 2009 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

August 2009 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: 0.1
Constellation: Virgo
Angular diameter: 6.3"
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: 11h14m25s
Déclinaison: +04°16'06"

Venus

Excellent
Magnitude apparente: -4.0
Constellation: Cancer
Angular diameter: 13.6"
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: 07h09m49s
Déclinaison: +21°34'30"

Mars

Excellent
Magnitude apparente: 1.0
Constellation: Gemini
Angular diameter: 5.5"
Status: near eastern quadrature

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

Ascension droite: 05h29m50s
Déclinaison: +23°10'25"

Jupiter

Excellent
Magnitude apparente: -2.9
Constellation: Aquarius
Angular diameter: 48.9"
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: 21h39m03s
Déclinaison: -15°11'11"

Saturn

Excellent
Magnitude apparente: 1.1
Constellation: Virgo
Angular diameter: 16.1"
Status: near western quadrature

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

Ascension droite: 11h29m39s
Déclinaison: +05°25'22"

Uranus

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

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

Ascension droite: 23h46m07s
Déclinaison: -02°22'02"

Neptune

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

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

Ascension droite: 21h50m17s
Déclinaison: -13°31'47"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Gemini
Angular diameter: 12506.7"
Status: Moon illumination 36.7%

Observation tip: Moon illumination 36.7%; good for observing lunar surface detail

Ascension droite: 04h21m23s
Déclinaison: +25°43'23"