April 1909 Événements célestes

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

Aperçu des événements célestes mensuels

25 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 1909 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -1.3
Constellation: Aries
Angular diameter: 5.1"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Ascension droite: 01h04m13s
Déclinaison: +05°13'09"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Aries
Angular diameter: 9.7"
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: 01h18m43s
Déclinaison: +06°58'37"

Mars

Excellent
Magnitude apparente: 0.4
Constellation: Aquarius
Angular diameter: 7.5"
Status: near eastern quadrature

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

Ascension droite: 20h24m05s
Déclinaison: -20°31'59"

Jupiter

Excellent
Magnitude apparente: -2.3
Constellation: Virgo
Angular diameter: 41.8"
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: 10h29m11s
Déclinaison: +10°57'12"

Saturn

Excellent
Magnitude apparente: 0.8
Constellation: Aries
Angular diameter: 16.0"
Status: near eastern quadrature

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

Ascension droite: 00h56m51s
Déclinaison: +03°40'12"

Uranus

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

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

Ascension droite: 19h31m14s
Déclinaison: -22°14'26"

Neptune

Fair
Magnitude apparente: 7.9
Constellation: Cancer
Angular diameter: 2.3"
Status: near western quadrature

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

Ascension droite: 07h02m16s
Déclinaison: +21°56'32"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Aquarius
Angular diameter: 12563.8"
Status: Moon illumination 34.7%

Observation tip: Moon illumination 34.7%; good for observing lunar surface detail

Ascension droite: 21h04m22s
Déclinaison: -21°04'35"