December 1981 Eventos celestes

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

Visión xeral dos planetas

22 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 1981 mid-month observing conditions

Mercury

Excellent
Magnitude aparente: -1.1
Constelación: Sagittarius
Angular diameter: 4.7"
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: 17h39m34s
Declinación: -24°52'43"

Venus

Excellent
Magnitude aparente: -4.9
Constelación: Aquarius
Angular diameter: 39.8"
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: 20h26m10s
Declinación: -20°51'29"

Mars

Excellent
Magnitude aparente: 1.0
Constelación: Libra
Angular diameter: 6.4"
Status: near eastern quadrature

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

Ascensión recta: 12h01m36s
Declinación: +02°07'14"

Jupiter

Excellent
Magnitude aparente: -1.8
Constelación: Scorpius
Angular diameter: 32.7"
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: 14h06m02s
Declinación: -11°33'28"

Saturn

Excellent
Magnitude aparente: 0.8
Constelación: Libra
Angular diameter: 16.5"
Status: near eastern quadrature

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

Ascensión recta: 13h18m43s
Declinación: -05°45'52"

Uranus

Fair
Magnitude aparente: 5.7
Constelación: Scorpius
Angular diameter: 3.6"
Status: near eastern quadrature

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

Ascensión recta: 15h58m41s
Declinación: -20°20'40"

Neptune

Fair
Magnitude aparente: 8.0
Constelación: Sagittarius
Angular diameter: 2.2"
Status: near western quadrature

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

Ascensión recta: 17h36m18s
Declinación: -22°04'20"

Moon

Excellent
Magnitude aparente: -12.7
Constelación: Leo
Angular diameter: 12545.2"
Status: Moon illumination 82.2%

Observation tip: Moon illumination 82.2%; good for observing lunar surface detail

Ascensión recta: 09h04m01s
Declinación: +18°39'22"