December 1989 Eventos celestes

Ubicación del observador:Beijing (39.904°, 116.407°)

Resumen de eventos celestes mensuales

30 eventos celestes en total, incluidos 4 fases lunares y 3 eventos planetarios.

Eventos celestes diarios

Todas las horas en hora local (Asia/Shanghai)

Group Fecha Amanecer/Atardecer Salida/Puesta de la Luna Fase lunar Eventos celestes

Planetary outlook

December 1989 mid-month observing conditions

Mercury

Excellent
Magnitud aparente: -0.6
Constelación: Capricornus
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

Ascensión recta: 18h48m10s
Declinación: -25°14'32"

Venus

Excellent
Magnitud aparente: -4.9
Constelación: Aquarius
Angular diameter: 41.4"
Status: near superior conjunction

Observation tip: Very bright, easily visible to the naked eye; Venus is the brightest planet and is best seen at dusk or dawn

Ascensión recta: 20h21m11s
Declinación: -21°03'06"

Mars

Excellent
Magnitud aparente: 1.6
Constelación: Scorpius
Angular diameter: 3.9"
Status: near eastern quadrature

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

Ascensión recta: 15h42m10s
Declinación: -19°31'07"

Jupiter

Excellent
Magnitud aparente: -2.7
Constelación: Cancer
Angular diameter: 47.1"
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

Ascensión recta: 06h32m35s
Declinación: +23°04'22"

Saturn

Excellent
Magnitud aparente: 0.6
Constelación: Capricornus
Angular diameter: 15.2"
Status: near western quadrature

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

Ascensión recta: 18h59m02s
Declinación: -22°25'52"

Uranus

Fair
Magnitud aparente: 5.8
Constelación: Capricornus
Angular diameter: 3.5"
Status: near western quadrature

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

Ascensión recta: 18h20m40s
Declinación: -23°37'31"

Neptune

Fair
Magnitud aparente: 7.9
Constelación: Capricornus
Angular diameter: 2.2"
Status: near western quadrature

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

Ascensión recta: 18h49m12s
Declinación: -22°06'21"

Moon

Excellent
Magnitud aparente: -12.7
Constelación: Cancer
Angular diameter: 12445.7"
Status: Moon illumination 92.9%

Observation tip: Moon illumination 92.9%; good for observing lunar surface detail

Ascensión recta: 07h44m30s
Declinación: +23°22'47"