January 1909 Événements célestes

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

Aperçu des événements célestes mensuels

24 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

January 1909 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -1.0
Constellation: Aquarius
Angular diameter: 5.4"
Status: near greatest western elongation

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

Ascension droite: 20h42m14s
Déclinaison: -20°07'57"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Sagittarius
Angular diameter: 11.3"
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: 17h54m44s
Déclinaison: -22°48'05"

Mars

Excellent
Magnitude apparente: 1.5
Constellation: Sagittarius
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: 16h05m00s
Déclinaison: -20°27'03"

Jupiter

Excellent
Magnitude apparente: -2.3
Constellation: Virgo
Angular diameter: 41.8"
Status: near eastern 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: 11h03m31s
Déclinaison: +07°23'53"

Saturn

Excellent
Magnitude apparente: 0.8
Constellation: Aries
Angular diameter: 17.1"
Status: near western quadrature

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

Ascension droite: 00h21m04s
Déclinaison: -00°17'24"

Uranus

Fair
Magnitude apparente: 5.9
Constellation: Capricornus
Angular diameter: 3.4"
Status: near eastern quadrature

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

Ascension droite: 19h15m44s
Déclinaison: -22°43'09"

Neptune

Fair
Magnitude apparente: 7.8
Constellation: Cancer
Angular diameter: 2.4"
Status: near western quadrature

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

Ascension droite: 07h06m49s
Déclinaison: +21°46'47"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Libra
Angular diameter: 11679.4"
Status: Moon illumination 47.8%

Observation tip: Moon illumination 47.8%; good for observing lunar surface detail

Ascension droite: 13h46m25s
Déclinaison: -06°12'58"