July 1921 Événements célestes

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

Aperçu des événements célestes mensuels

22 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

July 1921 mid-month observing conditions

Mercury

Good
Magnitude apparente: 3.3
Constellation: Cancer
Angular diameter: 10.9"
Status: near greatest eastern elongation

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

Ascension droite: 06h50m02s
Déclinaison: +18°11'22"

Venus

Excellent
Magnitude apparente: -4.2
Constellation: Gemini
Angular diameter: 20.6"
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: 04h22m08s
Déclinaison: +18°27'32"

Mars

Excellent
Magnitude apparente: 1.6
Constellation: Cancer
Angular diameter: 3.6"
Status: near eastern quadrature

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

Ascension droite: 07h15m39s
Déclinaison: +23°15'05"

Jupiter

Excellent
Magnitude apparente: -1.8
Constellation: Virgo
Angular diameter: 33.0"
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: 11h08m01s
Déclinaison: +06°48'50"

Saturn

Excellent
Magnitude apparente: 1.1
Constellation: Virgo
Angular diameter: 16.7"
Status: near western quadrature

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

Ascension droite: 11h28m06s
Déclinaison: +05°43'45"

Uranus

Fair
Magnitude apparente: 5.8
Constellation: Pisces
Angular diameter: 3.6"
Status: near eastern quadrature

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

Ascension droite: 22h44m38s
Déclinaison: -08°49'48"

Neptune

Fair
Magnitude apparente: 8.0
Constellation: Leo
Angular diameter: 2.2"
Status: near western quadrature

Observation tip: A telescope is required; A telescope is required; Neptune appears blue-green

Ascension droite: 09h00m36s
Déclinaison: +17°04'59"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Scorpius
Angular diameter: 11840.8"
Status: Moon illumination 77.9%

Observation tip: Moon illumination 77.9%; good for observing lunar surface detail

Ascension droite: 15h36m31s
Déclinaison: -16°33'37"