January 2011 Événements célestes

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

Aperçu des événements célestes mensuels

20 événements célestes au total, dont 4 phases lunaires et 2 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 2011 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -0.2
Constellation: Capricornus
Angular diameter: 6.1"
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: 18h07m55s
Déclinaison: -22°34'03"

Venus

Excellent
Magnitude apparente: -4.5
Constellation: Sagittarius
Angular diameter: 23.1"
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: 16h26m06s
Déclinaison: -18°16'36"

Mars

Excellent
Magnitude apparente: 1.1
Constellation: Aquarius
Angular diameter: 3.9"
Status: near western quadrature

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

Ascension droite: 20h06m34s
Déclinaison: -21°19'22"

Jupiter

Excellent
Magnitude apparente: -2.2
Constellation: Pisces
Angular diameter: 37.2"
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: 23h57m01s
Déclinaison: -01°38'59"

Saturn

Excellent
Magnitude apparente: 0.7
Constellation: Libra
Angular diameter: 17.7"
Status: near eastern quadrature

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

Ascension droite: 13h06m53s
Déclinaison: -04°26'07"

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: 23h51m23s
Déclinaison: -01°43'29"

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: 21h58m10s
Déclinaison: -12°54'27"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Taurus
Angular diameter: 11894.1"
Status: Moon illumination 73.9%

Observation tip: Moon illumination 73.9%; good for observing lunar surface detail

Ascension droite: 03h18m17s
Déclinaison: +21°44'39"