May 1978 Événements célestes

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

Aperçu des événements célestes mensuels

19 événements célestes au total, dont 4 phases lunaires et 2 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 1978 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: 0.3
Constellation: Aries
Angular diameter: 7.3"
Status: near inferior conjunction

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

Ascension droite: 01h49m45s
Déclinaison: +07°55'32"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Gemini
Angular diameter: 11.6"
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: 05h22m28s
Déclinaison: +24°22'35"

Mars

Excellent
Magnitude apparente: 1.0
Constellation: Leo
Angular diameter: 6.3"
Status: near western quadrature

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

Ascension droite: 09h09m44s
Déclinaison: +18°10'15"

Jupiter

Excellent
Magnitude apparente: -1.9
Constellation: Cancer
Angular diameter: 33.4"
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: 06h24m39s
Déclinaison: +23°22'36"

Saturn

Excellent
Magnitude apparente: 0.5
Constellation: Leo
Angular diameter: 18.1"
Status: near western quadrature

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

Ascension droite: 09h47m15s
Déclinaison: +14°56'21"

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: 14h46m34s
Déclinaison: -15°39'05"

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: 17h06m34s
Déclinaison: -21°22'19"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Leo
Angular diameter: 11616.3"
Status: Moon illumination 47.0%

Observation tip: Moon illumination 47.0%; good for observing lunar surface detail

Ascension droite: 09h26m02s
Déclinaison: +11°18'54"