May 2011 Événements célestes

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

Aperçu des événements célestes mensuels

16 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 2011 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: 0.2
Constellation: Aries
Angular diameter: 7.1"
Status: near inferior conjunction

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Ascension droite: 01h51m10s
Déclinaison: +08°08'14"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Aries
Angular diameter: 11.1"
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: 01h49m42s
Déclinaison: +09°32'56"

Mars

Excellent
Magnitude apparente: 1.3
Constellation: Taurus
Angular diameter: 4.1"
Status: near eastern quadrature

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

Ascension droite: 02h03m09s
Déclinaison: +11°52'38"

Jupiter

Excellent
Magnitude apparente: -2.1
Constellation: Aries
Angular diameter: 33.9"
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: 01h36m18s
Déclinaison: +08°51'15"

Saturn

Excellent
Magnitude apparente: 0.6
Constellation: Libra
Angular diameter: 18.8"
Status: near western quadrature

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

Ascension droite: 12h45m08s
Déclinaison: -01°56'50"

Uranus

Fair
Magnitude apparente: 6.0
Constellation: Aries
Angular diameter: 3.4"
Status: near eastern quadrature

Observation tip: A telescope is required; Binoculars or a telescope are recommended

Ascension droite: 00h13m26s
Déclinaison: +00°40'33"

Neptune

Fair
Magnitude apparente: 7.8
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: 22h12m15s
Déclinaison: -11°39'41"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Libra
Angular diameter: 12840.8"
Status: Moon illumination 91.3%

Observation tip: Moon illumination 91.3%; good for observing lunar surface detail

Ascension droite: 13h05m44s
Déclinaison: -12°03'20"