April 2021 Événements célestes

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

Aperçu des événements célestes mensuels

23 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 2021 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -1.7
Constellation: Aries
Angular diameter: 5.0"
Status: near inferior conjunction

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

Ascension droite: 01h18m32s
Déclinaison: +07°00'08"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Aries
Angular diameter: 9.7"
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: 01h54m03s
Déclinaison: +10°43'08"

Mars

Excellent
Magnitude apparente: 1.4
Constellation: Gemini
Angular diameter: 5.0"
Status: near western quadrature

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

Ascension droite: 05h37m21s
Déclinaison: +24°48'32"

Jupiter

Excellent
Magnitude apparente: -2.1
Constellation: Aquarius
Angular diameter: 35.9"
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: 21h53m15s
Déclinaison: -13°33'51"

Saturn

Excellent
Magnitude apparente: 0.7
Constellation: Aquarius
Angular diameter: 16.3"
Status: near eastern quadrature

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

Ascension droite: 20h59m51s
Déclinaison: -17°37'15"

Uranus

Fair
Magnitude apparente: 5.9
Constellation: Taurus
Angular diameter: 3.4"
Status: near western quadrature

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

Ascension droite: 02h30m01s
Déclinaison: +14°21'20"

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: 23h31m57s
Déclinaison: -04°12'11"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Taurus
Angular diameter: 11456.2"
Status: Moon illumination 7.4%

Observation tip: Moon illumination 7.4%; good for observing lunar surface detail

Ascension droite: 03h39m09s
Déclinaison: +18°09'31"