December 1978 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 3 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 1978 mid-month observing conditions

Mercury

Excellent
Magnitude aparente: 0.4
Constelación: Sagittarius
Angular diameter: 8.5"
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: 16h16m01s
Declinación: -18°23'30"

Venus

Excellent
Magnitude aparente: -4.9
Constelación: Scorpius
Angular diameter: 39.7"
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: 14h42m26s
Declinación: -12°51'16"

Mars

Excellent
Magnitude aparente: 1.2
Constelación: Capricornus
Angular diameter: 3.9"
Status: near western quadrature

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

Ascensión recta: 18h07m31s
Declinación: -24°15'29"

Jupiter

Excellent
Magnitude aparente: -2.5
Constelación: Leo
Angular diameter: 43.5"
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: 08h44m06s
Declinación: +18°39'44"

Saturn

Excellent
Magnitude aparente: 0.7
Constelación: Virgo
Angular diameter: 18.3"
Status: near eastern quadrature

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

Ascensión recta: 11h03m14s
Declinación: +07°59'35"

Uranus

Fair
Magnitude aparente: 5.6
Constelación: Scorpius
Angular diameter: 3.6"
Status: near eastern quadrature

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

Ascensión recta: 15h05m56s
Declinación: -17°06'23"

Neptune

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

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

Ascensión recta: 17h09m13s
Declinación: -21°32'28"

Moon

Excellent
Magnitude aparente: -12.7
Constelación: Gemini
Angular diameter: 11625.1"
Status: Moon illumination 99.6%

Observation tip: Moon illumination 99.6%; good for observing lunar surface detail

Ascensión recta: 05h51m47s
Declinación: +18°27'36"