April 1921 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 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 1921 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -0.1
Constellation: Aries
Angular diameter: 6.1"
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: 00h09m10s
Déclinaison: -01°49'32"

Venus

Excellent
Magnitude apparente: -4.1
Constellation: Taurus
Angular diameter: 56.7"
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: 02h07m26s
Déclinaison: +20°16'47"

Mars

Excellent
Magnitude apparente: 1.5
Constellation: Taurus
Angular diameter: 3.9"
Status: near western quadrature

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

Ascension droite: 02h50m06s
Déclinaison: +16°32'39"

Jupiter

Excellent
Magnitude apparente: -2.3
Constellation: Virgo
Angular diameter: 42.2"
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: 10h46m48s
Déclinaison: +09°16'20"

Saturn

Excellent
Magnitude apparente: 0.7
Constellation: Virgo
Angular diameter: 19.3"
Status: near western quadrature

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

Ascension droite: 11h23m24s
Déclinaison: +06°30'21"

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: 22h40m38s
Déclinaison: -09°10'22"

Neptune

Fair
Magnitude apparente: 7.9
Constellation: Leo
Angular diameter: 2.3"
Status: near western quadrature

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

Ascension droite: 08h53m47s
Déclinaison: +17°32'23"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Cancer
Angular diameter: 12563.2"
Status: Moon illumination 45.2%

Observation tip: Moon illumination 45.2%; good for observing lunar surface detail

Ascension droite: 07h18m42s
Déclinaison: +16°56'15"