April 2004 Événements célestes

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

Aperçu des événements célestes mensuels

24 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 2004 mid-month observing conditions

Mercury

Fair
Magnitude apparente: 5.7
Constellation: Aries
Angular diameter: 11.4"
Status: near superior conjunction

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

Ascension droite: 01h43m38s
Déclinaison: +13°12'59"

Venus

Excellent
Magnitude apparente: -4.6
Constellation: Gemini
Angular diameter: 28.6"
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: 04h31m06s
Déclinaison: +26°06'05"

Mars

Excellent
Magnitude apparente: 1.5
Constellation: Gemini
Angular diameter: 4.6"
Status: near western quadrature

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

Ascension droite: 04h57m40s
Déclinaison: +23°51'50"

Jupiter

Excellent
Magnitude apparente: -2.3
Constellation: Virgo
Angular diameter: 42.1"
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: 10h46m30s
Déclinaison: +09°16'50"

Saturn

Excellent
Magnitude apparente: 0.1
Constellation: Cancer
Angular diameter: 17.9"
Status: near western quadrature

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

Ascension droite: 06h33m02s
Déclinaison: +22°48'11"

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: 22h30m30s
Déclinaison: -10°09'43"

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: 21h10m20s
Déclinaison: -16°20'56"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Pisces
Angular diameter: 12168.8"
Status: Moon illumination 20.7%

Observation tip: Moon illumination 20.7%; good for observing lunar surface detail

Ascension droite: 22h21m10s
Déclinaison: -15°34'23"