May 2021 Événements célestes

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

Aperçu des événements célestes mensuels

21 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

May 2021 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: 0.2
Constellation: Gemini
Angular diameter: 7.6"
Status: near greatest western elongation

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

Ascension droite: 04h58m31s
Déclinaison: +25°07'55"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Gemini
Angular diameter: 10.0"
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: 04h21m40s
Déclinaison: +21°44'21"

Mars

Excellent
Magnitude apparente: 1.7
Constellation: Cancer
Angular diameter: 4.4"
Status: near western quadrature

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

Ascension droite: 06h57m29s
Déclinaison: +24°11'58"

Jupiter

Excellent
Magnitude apparente: -2.3
Constellation: Pisces
Angular diameter: 39.0"
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: 22h09m57s
Déclinaison: -12°10'47"

Saturn

Excellent
Magnitude apparente: 0.6
Constellation: Aquarius
Angular diameter: 17.1"
Status: near eastern quadrature

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

Ascension droite: 21h04m26s
Déclinaison: -17°22'02"

Uranus

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

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

Ascension droite: 02h36m45s
Déclinaison: +14°53'41"

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: 23h35m03s
Déclinaison: -03°53'24"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Gemini
Angular diameter: 11537.9"
Status: Moon illumination 9.0%

Observation tip: Moon illumination 9.0%; good for observing lunar surface detail

Ascension droite: 05h56m41s
Déclinaison: +25°06'58"