April 2011 Événements célestes

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

Aperçu des événements célestes mensuels

19 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

April 2011 mid-month observing conditions

Mercury

Fair
Magnitude apparente: 4.1
Constellation: Aries
Angular diameter: 11.6"
Status: near greatest eastern elongation

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

Ascension droite: 00h56m27s
Déclinaison: +07°13'27"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Pisces
Angular diameter: 12.4"
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: 23h34m47s
Déclinaison: -04°13'35"

Mars

Excellent
Magnitude apparente: 1.2
Constellation: Aries
Angular diameter: 4.0"
Status: near eastern quadrature

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

Ascension droite: 00h37m50s
Déclinaison: +03°09'17"

Jupiter

Excellent
Magnitude apparente: -2.1
Constellation: Aries
Angular diameter: 33.2"
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: 01h09m50s
Déclinaison: +06°14'48"

Saturn

Excellent
Magnitude apparente: 0.4
Constellation: Libra
Angular diameter: 19.3"
Status: near western quadrature

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

Ascension droite: 12h52m13s
Déclinaison: -02°37'42"

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: 00h08m08s
Déclinaison: +00°06'41"

Neptune

Fair
Magnitude apparente: 7.8
Constellation: Pisces
Angular diameter: 2.2"
Status: near eastern quadrature

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

Ascension droite: 22h10m09s
Déclinaison: -11°50'28"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Virgo
Angular diameter: 12833.0"
Status: Moon illumination 85.8%

Observation tip: Moon illumination 85.8%; good for observing lunar surface detail

Ascension droite: 10h41m00s
Déclinaison: +03°02'44"