January 1989 Événements célestes

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

Aperçu des événements célestes mensuels

21 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 1989 mid-month observing conditions

Mercury

Excellent
Magnitude apparente: 0.2
Constellation: Aquarius
Angular diameter: 8.1"
Status: near superior conjunction

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

Ascension droite: 20h56m11s
Déclinaison: -16°35'28"

Venus

Excellent
Magnitude apparente: -3.9
Constellation: Capricornus
Angular diameter: 10.6"
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: 18h23m06s
Déclinaison: -23°06'47"

Mars

Excellent
Magnitude apparente: 0.2
Constellation: Aries
Angular diameter: 8.5"
Status: near western quadrature

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

Ascension droite: 01h41m20s
Déclinaison: +11°22'33"

Jupiter

Excellent
Magnitude apparente: -2.6
Constellation: Taurus
Angular diameter: 44.3"
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: 03h36m06s
Déclinaison: +18°28'30"

Saturn

Excellent
Magnitude apparente: 0.5
Constellation: Capricornus
Angular diameter: 15.1"
Status: near eastern quadrature

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

Ascension droite: 18h31m18s
Déclinaison: -22°32'31"

Uranus

Fair
Magnitude apparente: 5.8
Constellation: Capricornus
Angular diameter: 3.5"
Status: near eastern quadrature

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

Ascension droite: 18h11m14s
Déclinaison: -23°38'22"

Neptune

Fair
Magnitude apparente: 7.9
Constellation: Capricornus
Angular diameter: 2.2"
Status: near eastern quadrature

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

Ascension droite: 18h45m09s
Déclinaison: -22°07'57"

Moon

Excellent
Magnitude apparente: -12.7
Constellation: Aries
Angular diameter: 12471.4"
Status: Moon illumination 54.8%

Observation tip: Moon illumination 54.8%; good for observing lunar surface detail

Ascension droite: 01h46m23s
Déclinaison: +15°30'17"