May 1977 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

May 1977 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: 1.8
Constellation: Taurus
Angular diameter: 10.7"
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: 02h13m45s
Déclinaison: +10°28'21"

Venus

Excellent
Magnitude apparente: -4.7
Constellation: Aries
Angular diameter: 36.4"
Status: near greatest eastern 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: 00h50m04s
Déclinaison: +05°11'06"

Mars

Excellent
Magnitude apparente: 1.1
Constellation: Aries
Angular diameter: 4.7"
Status: near eastern quadrature

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

Ascension droite: 00h50m49s
Déclinaison: +04°10'53"

Jupiter

Excellent
Magnitude apparente: -2.0
Constellation: Gemini
Angular diameter: 32.7"
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: 04h29m11s
Déclinaison: +21°16'24"

Saturn

Excellent
Magnitude apparente: 0.4
Constellation: Leo
Angular diameter: 17.8"
Status: near western quadrature

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

Ascension droite: 08h54m46s
Déclinaison: +18°25'25"

Uranus

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

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

Ascension droite: 14h27m37s
Déclinaison: -14°06'45"

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: 16h57m03s
Déclinaison: -21°06'36"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Aries
Angular diameter: 11578.2"
Status: Moon illumination 8.6%

Observation tip: Moon illumination 8.6%; good for observing lunar surface detail

Ascension droite: 01h13m15s
Déclinaison: +08°10'23"