April 1978 Événements célestes

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

Aperçu des événements célestes mensuels

18 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 1978 mid-month observing conditions

Mercury

Fair
Magnitude apparente: 5.0
Constellation: Aries
Angular diameter: 11.7"
Status: near greatest eastern elongation

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

Ascension droite: 01h07m48s
Déclinaison: +08°45'52"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Taurus
Angular diameter: 10.6"
Status: near greatest western elongation

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: 02h49m53s
Déclinaison: +16°14'20"

Mars

Excellent
Magnitude apparente: 0.6
Constellation: Leo
Angular diameter: 7.7"
Status: near western quadrature

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

Ascension droite: 08h17m16s
Déclinaison: +22°09'44"

Jupiter

Excellent
Magnitude apparente: -2.1
Constellation: Cancer
Angular diameter: 35.8"
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: 06h01m54s
Déclinaison: +23°26'50"

Saturn

Excellent
Magnitude apparente: 0.4
Constellation: Leo
Angular diameter: 19.1"
Status: near western quadrature

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

Ascension droite: 09h46m23s
Déclinaison: +15°03'26"

Uranus

Fair
Magnitude apparente: 5.4
Constellation: Scorpius
Angular diameter: 4.0"
Status: near eastern quadrature

Observation tip: Binoculars are recommended; Binoculars or a telescope are recommended

Ascension droite: 14h51m30s
Déclinaison: -16°00'49"

Neptune

Fair
Magnitude apparente: 7.9
Constellation: Sagittarius
Angular diameter: 2.3"
Status: near eastern quadrature

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

Ascension droite: 17h09m02s
Déclinaison: -21°26'13"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Cancer
Angular diameter: 11508.3"
Status: Moon illumination 44.6%

Observation tip: Moon illumination 44.6%; good for observing lunar surface detail

Ascension droite: 07h16m33s
Déclinaison: +17°05'56"