July 2011 Événements célestes

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

Aperçu des événements célestes mensuels

17 événements célestes au total, dont 5 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

July 2011 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: 0.3
Constellation: Leo
Angular diameter: 7.2"
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: 09h23m30s
Déclinaison: +15°28'17"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Cancer
Angular diameter: 9.8"
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: 06h57m45s
Déclinaison: +23°07'01"

Mars

Excellent
Magnitude apparente: 1.4
Constellation: Gemini
Angular diameter: 4.3"
Status: near eastern quadrature

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

Ascension droite: 05h02m36s
Déclinaison: +22°51'46"

Jupiter

Excellent
Magnitude apparente: -2.3
Constellation: Taurus
Angular diameter: 38.5"
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: 02h20m22s
Déclinaison: +12°42'19"

Saturn

Excellent
Magnitude apparente: 0.8
Constellation: Libra
Angular diameter: 17.0"
Status: near western quadrature

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

Ascension droite: 12h45m17s
Déclinaison: -02°13'08"

Uranus

Fair
Magnitude apparente: 5.9
Constellation: Aries
Angular diameter: 3.6"
Status: near eastern quadrature

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

Ascension droite: 00h17m54s
Déclinaison: +01°07'24"

Neptune

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

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

Ascension droite: 22h11m00s
Déclinaison: -11°48'24"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Capricornus
Angular diameter: 12111.1"
Status: Moon illumination 99.9%

Observation tip: Moon illumination 99.9%; good for observing lunar surface detail

Ascension droite: 19h20m09s
Déclinaison: -19°53'19"