April 2003 Événements célestes

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

Aperçu des événements célestes mensuels

20 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

April 2003 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -0.1
Constellation: Taurus
Angular diameter: 7.4"
Status: near greatest western elongation

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Ascension droite: 02h43m17s
Déclinaison: +18°33'28"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Pisces
Angular diameter: 12.5"
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: 23h32m32s
Déclinaison: -04°26'57"

Mars

Excellent
Magnitude apparente: 0.3
Constellation: Capricornus
Angular diameter: 8.3"
Status: near eastern quadrature

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

Ascension droite: 19h51m45s
Déclinaison: -21°58'20"

Jupiter

Excellent
Magnitude apparente: -2.2
Constellation: Leo
Angular diameter: 39.4"
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: 08h43m36s
Déclinaison: +19°02'03"

Saturn

Excellent
Magnitude apparente: 0.1
Constellation: Gemini
Angular diameter: 17.5"
Status: near western quadrature

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

Ascension droite: 05h36m11s
Déclinaison: +22°22'39"

Uranus

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

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

Ascension droite: 22h15m55s
Déclinaison: -11°32'48"

Neptune

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

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

Ascension droite: 21h01m32s
Déclinaison: -16°54'50"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Libra
Angular diameter: 12859.4"
Status: Moon illumination 94.9%

Observation tip: Moon illumination 94.9%; good for observing lunar surface detail

Ascension droite: 12h03m22s
Déclinaison: +04°35'08"