January 2010 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 4 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 2010 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: 0.5
Constellation: Capricornus
Angular diameter: 8.7"
Status: near greatest eastern elongation

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

Ascension droite: 18h23m48s
Déclinaison: -20°17'22"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Capricornus
Angular diameter: 9.8"
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: 19h50m27s
Déclinaison: -21°57'15"

Mars

Excellent
Magnitude apparente: -1.1
Constellation: Leo
Angular diameter: 13.7"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Ascension droite: 09h16m44s
Déclinaison: +20°17'33"

Jupiter

Excellent
Magnitude apparente: -2.1
Constellation: Pisces
Angular diameter: 34.1"
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: 22h07m04s
Déclinaison: -12°34'41"

Saturn

Excellent
Magnitude apparente: 0.8
Constellation: Libra
Angular diameter: 18.3"
Status: near eastern quadrature

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

Ascension droite: 12h20m48s
Déclinaison: +00°18'48"

Uranus

Fair
Magnitude apparente: 6.0
Constellation: Pisces
Angular diameter: 3.4"
Status: near western quadrature

Observation tip: A telescope is required; Binoculars or a telescope are recommended

Ascension droite: 23h37m21s
Déclinaison: -03°15'06"

Neptune

Fair
Magnitude apparente: 7.8
Constellation: Aquarius
Angular diameter: 2.2"
Status: near western quadrature

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

Ascension droite: 21h49m48s
Déclinaison: -13°34'27"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Capricornus
Angular diameter: 11486.9"
Status: Moon illumination 0.1%

Observation tip: Moon illumination 0.1%; good for observing lunar surface detail

Ascension droite: 19h32m47s
Déclinaison: -21°41'37"