December 1917 Eventos celestes

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

Resumen de eventos celestes mensuales

20 eventos celestes en total, incluidos 4 fases lunares y 1 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 1917 mid-month observing conditions

Mercury

Excellent
Magnitud aparente: -0.5
Constelación: Capricornus
Angular diameter: 6.4"
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: 18h55m15s
Declinación: -24°51'32"

Venus

Excellent
Magnitud aparente: -4.7
Constelación: Aquarius
Angular diameter: 29.7"
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: 20h47m25s
Declinación: -20°00'49"

Mars

Excellent
Magnitud aparente: 0.7
Constelación: Virgo
Angular diameter: 7.2"
Status: near eastern quadrature

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

Ascensión recta: 11h29m49s
Declinación: +05°48'36"

Jupiter

Excellent
Magnitud aparente: -2.8
Constelación: Gemini
Angular diameter: 48.0"
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: 04h10m10s
Declinación: +20°11'24"

Saturn

Excellent
Magnitud aparente: 0.1
Constelación: Leo
Angular diameter: 19.6"
Status: near eastern quadrature

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

Ascensión recta: 09h07m38s
Declinación: +17°17'40"

Uranus

Fair
Magnitud aparente: 5.9
Constelación: Aquarius
Angular diameter: 3.4"
Status: near western quadrature

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

Ascensión recta: 21h33m08s
Declinación: -15°16'57"

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: 08h36m29s
Declinación: +18°25'15"

Moon

Excellent
Magnitud aparente: -12.7
Constelación: Capricornus
Angular diameter: 12388.0"
Status: Moon illumination 0.5%

Observation tip: Moon illumination 0.5%; good for observing lunar surface detail

Ascensión recta: 18h01m04s
Declinación: -23°33'52"