May 1971 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 4 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

May 1971 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: 0.6
Constellation: Aries
Angular diameter: 8.6"
Status: near greatest eastern elongation

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Ascension droite: 01h49m11s
Déclinaison: +07°45'02"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Aries
Angular diameter: 11.5"
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: 01h37m54s
Déclinaison: +08°21'26"

Mars

Excellent
Magnitude apparente: -0.6
Constellation: Aquarius
Angular diameter: 11.8"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Ascension droite: 20h33m47s
Déclinaison: -20°47'26"

Jupiter

Excellent
Magnitude apparente: -2.5
Constellation: Sagittarius
Angular diameter: 45.1"
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: 16h03m11s
Déclinaison: -19°41'57"

Saturn

Excellent
Magnitude apparente: 0.1
Constellation: Taurus
Angular diameter: 16.4"
Status: near western quadrature

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

Ascension droite: 03h34m59s
Déclinaison: +17°19'45"

Uranus

Fair
Magnitude apparente: 5.4
Constellation: Libra
Angular diameter: 4.0"
Status: near western quadrature

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

Ascension droite: 12h37m31s
Déclinaison: -03°16'20"

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: 16h00m48s
Déclinaison: -18°52'03"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Capricornus
Angular diameter: 12196.0"
Status: Moon illumination 79.5%

Observation tip: Moon illumination 79.5%; good for observing lunar surface detail

Ascension droite: 19h17m24s
Déclinaison: -24°51'10"