December 2091 Eventos celestes

Localización do observador:Beijing (39.904°, 116.407°)

Visión xeral dos planetas

24 eventos do ceo en total, incluíndo 4 fases da Lúa e 2 eventos planetarios.

Eventos celestes

Todas as horas están en hora local (Asia/Shanghai)

Group Data Amencer/posta de sol Saída/posta da Lúa Fase da Lúa Eventos celestes

Planetary outlook

December 2091 mid-month observing conditions

Mercury

Excellent
Magnitude aparente: -0.6
Constelación: Sagittarius
Angular diameter: 5.5"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Ascensión recta: 16h15m20s
Declinación: -20°01'29"

Venus

Excellent
Magnitude aparente: -4.0
Constelación: Aquarius
Angular diameter: 13.4"
Status: near greatest western 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: 20h05m49s
Declinación: -22°18'20"

Mars

Excellent
Magnitude aparente: 1.2
Constelación: Capricornus
Angular diameter: 4.3"
Status: near western quadrature

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

Ascensión recta: 19h36m55s
Declinación: -22°44'59"

Jupiter

Excellent
Magnitude aparente: -2.0
Constelación: Capricornus
Angular diameter: 33.2"
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: 19h48m19s
Declinación: -21°28'28"

Saturn

Excellent
Magnitude aparente: -0.4
Constelación: Cancer
Angular diameter: 20.6"
Status: near eastern quadrature

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

Ascensión recta: 06h30m48s
Declinación: +22°20'11"

Uranus

Fair
Magnitude 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: 23h10m04s
Declinación: -06°10'57"

Neptune

Fair
Magnitude aparente: 7.8
Constelación: Virgo
Angular diameter: 2.3"
Status: near eastern quadrature

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

Ascensión recta: 10h07m54s
Declinación: +12°00'21"

Moon

Excellent
Magnitude aparente: -12.7
Constelación: Aquarius
Angular diameter: 12158.9"
Status: Moon illumination 23.8%

Observation tip: Moon illumination 23.8%; good for observing lunar surface detail

Ascensión recta: 21h34m57s
Declinación: -14°00'35"