April 2012 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 2 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 2012 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: 0.6
Constellation: Pisces
Angular diameter: 8.4"
Status: near greatest eastern elongation

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

Ascension droite: 23h57m04s
Déclinaison: -02°26'24"

Venus

Excellent
Magnitude apparente: -4.6
Constellation: Gemini
Angular diameter: 29.6"
Status: near superior 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: 04h29m43s
Déclinaison: +26°10'47"

Mars

Excellent
Magnitude apparente: -0.4
Constellation: Virgo
Angular diameter: 11.3"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Ascension droite: 10h26m24s
Déclinaison: +12°41'02"

Jupiter

Excellent
Magnitude apparente: -2.0
Constellation: Taurus
Angular diameter: 33.3"
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: 02h57m00s
Déclinaison: +15°57'07"

Saturn

Excellent
Magnitude apparente: 0.3
Constellation: Libra
Angular diameter: 19.1"
Status: near eastern quadrature

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

Ascension droite: 13h41m23s
Déclinaison: -07°32'39"

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: 00h22m03s
Déclinaison: +01°37'59"

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: 22h18m35s
Déclinaison: -11°07'16"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Aquarius
Angular diameter: 11992.6"
Status: Moon illumination 34.0%

Observation tip: Moon illumination 34.0%; good for observing lunar surface detail

Ascension droite: 21h01m15s
Déclinaison: -11°56'10"