April 1977 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 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 1977 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: 0.7
Constellation: Taurus
Angular diameter: 8.7"
Status: near superior conjunction

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

Ascension droite: 02h39m08s
Déclinaison: +18°39'18"

Venus

Excellent
Magnitude apparente: -4.2
Constellation: Aries
Angular diameter: 56.6"
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: 00h32m01s
Déclinaison: +09°59'21"

Mars

Excellent
Magnitude apparente: 1.2
Constellation: Pisces
Angular diameter: 4.5"
Status: near eastern quadrature

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

Ascension droite: 23h25m52s
Déclinaison: -05°00'25"

Jupiter

Excellent
Magnitude apparente: -2.0
Constellation: Gemini
Angular diameter: 33.9"
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: 04h01m21s
Déclinaison: +20°02'54"

Saturn

Excellent
Magnitude apparente: 0.3
Constellation: Leo
Angular diameter: 18.8"
Status: near western quadrature

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

Ascension droite: 08h50m45s
Déclinaison: +18°42'10"

Uranus

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

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

Ascension droite: 14h32m32s
Déclinaison: -14°30'15"

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: 16h59m37s
Déclinaison: -21°11'11"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Pisces
Angular diameter: 11841.7"
Status: Moon illumination 11.2%

Observation tip: Moon illumination 11.2%; good for observing lunar surface detail

Ascension droite: 23h03m27s
Déclinaison: -02°28'40"