December 2090 Eventos celestes

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

Resumen de eventos celestes mensuales

24 eventos celestes en total, incluidos 4 fases lunares y 5 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 2090 mid-month observing conditions

Mercury

Excellent
Magnitud aparente: -0.0
Constelación: Sagittarius
Angular diameter: 7.8"
Status: near greatest eastern elongation

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

Ascensión recta: 16h09m27s
Declinación: -18°12'04"

Venus

Excellent
Magnitud aparente: -4.5
Constelación: Scorpius
Angular diameter: 24.7"
Status: near greatest eastern elongation

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: 14h21m00s
Declinación: -11°08'36"

Mars

Excellent
Magnitud aparente: 0.6
Constelación: Virgo
Angular diameter: 7.7"
Status: near eastern quadrature

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

Ascensión recta: 11h16m03s
Declinación: +07°24'18"

Jupiter

Excellent
Magnitud aparente: -1.8
Constelación: Sagittarius
Angular diameter: 31.6"
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

Ascensión recta: 17h57m08s
Declinación: -23°12'53"

Saturn

Excellent
Magnitud aparente: -0.5
Constelación: Gemini
Angular diameter: 20.7"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Saturn’s rings require a telescope to see clearly

Ascensión recta: 05h24m41s
Declinación: +21°40'34"

Uranus

Fair
Magnitud aparente: 5.9
Constelación: Pisces
Angular diameter: 3.5"
Status: near western quadrature

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

Ascensión recta: 22h55m36s
Declinación: -07°40'46"

Neptune

Fair
Magnitud aparente: 7.8
Constelación: Leo
Angular diameter: 2.3"
Status: near eastern quadrature

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

Ascensión recta: 09h59m17s
Declinación: +12°42'53"

Moon

Excellent
Magnitud aparente: -12.7
Constelación: Libra
Angular diameter: 12579.7"
Status: Moon illumination 40.9%

Observation tip: Moon illumination 40.9%; good for observing lunar surface detail

Ascensión recta: 12h17m41s
Declinación: -00°10'17"