January 2021 Événements célestes

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

Aperçu des événements célestes mensuels

23 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 2021 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: -0.9
Constellation: Aquarius
Angular diameter: 5.7"
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: 20h53m41s
Déclinaison: -19°10'28"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Capricornus
Angular diameter: 10.4"
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: 18h34m37s
Déclinaison: -23°08'04"

Mars

Excellent
Magnitude apparente: 0.1
Constellation: Taurus
Angular diameter: 9.1"
Status: near western quadrature

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

Ascension droite: 02h04m46s
Déclinaison: +13°49'35"

Jupiter

Excellent
Magnitude apparente: -2.0
Constellation: Aquarius
Angular diameter: 32.6"
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: 20h34m09s
Déclinaison: -19°15'08"

Saturn

Excellent
Magnitude apparente: 0.6
Constellation: Aquarius
Angular diameter: 15.2"
Status: near western quadrature

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

Ascension droite: 20h22m36s
Déclinaison: -19°49'07"

Uranus

Fair
Magnitude apparente: 5.8
Constellation: Taurus
Angular diameter: 3.6"
Status: near western quadrature

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

Ascension droite: 02h18m09s
Déclinaison: +13°20'20"

Neptune

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

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

Ascension droite: 23h20m26s
Déclinaison: -05°25'40"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Aquarius
Angular diameter: 12177.3"
Status: Moon illumination 4.0%

Observation tip: Moon illumination 4.0%; good for observing lunar surface detail

Ascension droite: 21h26m21s
Déclinaison: -19°42'53"