December 2004 Eventos celestes

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

Visión xeral dos planetas

23 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 2004 mid-month observing conditions

Mercury

Good
Magnitude aparente: 2.1
Constelación: Sagittarius
Angular diameter: 9.5"
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: 16h47m18s
Declinación: -19°42'16"

Venus

Excellent
Magnitude aparente: -3.9
Constelación: Scorpius
Angular diameter: 11.3"
Status: near inferior 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: 15h43m40s
Declinación: -18°21'29"

Mars

Excellent
Magnitude aparente: 1.6
Constelación: Scorpius
Angular diameter: 4.0"
Status: near eastern quadrature

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

Ascensión recta: 15h21m35s
Declinación: -18°07'59"

Jupiter

Excellent
Magnitude aparente: -1.9
Constelación: Libra
Angular diameter: 34.3"
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: 12h58m20s
Declinación: -04°53'44"

Saturn

Excellent
Magnitude aparente: -0.2
Constelación: Cancer
Angular diameter: 20.2"
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: 07h52m32s
Declinación: +20°52'47"

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: 22h22m10s
Declinación: -10°59'03"

Neptune

Fair
Magnitude aparente: 7.8
Constelación: Aquarius
Angular diameter: 2.2"
Status: near western quadrature

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

Ascensión recta: 21h03m18s
Declinación: -16°54'14"

Moon

Excellent
Magnitude aparente: -12.7
Constelación: Aquarius
Angular diameter: 12852.9"
Status: Moon illumination 12.8%

Observation tip: Moon illumination 12.8%; good for observing lunar surface detail

Ascensión recta: 20h34m15s
Declinación: -23°58'45"