April 1971 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 3 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 1971 mid-month observing conditions

Mercury

Good
Magnitude apparente: 3.9
Constellation: Aries
Angular diameter: 11.0"
Status: near superior conjunction

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

Ascension droite: 01h56m51s
Déclinaison: +14°50'46"

Venus

Excellent
Magnitude apparente: -4.0
Constellation: Pisces
Angular diameter: 13.1"
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: 23h23m48s
Déclinaison: -05°17'43"

Mars

Excellent
Magnitude apparente: 0.1
Constellation: Capricornus
Angular diameter: 9.0"
Status: near eastern quadrature

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

Ascension droite: 19h26m01s
Déclinaison: -22°50'24"

Jupiter

Excellent
Magnitude apparente: -2.4
Constellation: Sagittarius
Angular diameter: 43.0"
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: 16h15m50s
Déclinaison: -20°15'21"

Saturn

Excellent
Magnitude apparente: 0.2
Constellation: Taurus
Angular diameter: 16.6"
Status: near western quadrature

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

Ascension droite: 03h19m44s
Déclinaison: +16°21'14"

Uranus

Fair
Magnitude apparente: 5.4
Constellation: Libra
Angular diameter: 4.1"
Status: near western quadrature

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

Ascension droite: 12h41m29s
Déclinaison: -03°40'45"

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: 16h03m45s
Déclinaison: -19°01'03"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Sagittarius
Angular diameter: 11856.1"
Status: Moon illumination 84.0%

Observation tip: Moon illumination 84.0%; good for observing lunar surface detail

Ascension droite: 16h36m57s
Déclinaison: -26°52'28"