December 2004 Zeru gertakariak

Behatzailearen kokapena:Beijing (39.904°, 116.407°)

Planeten ikuspegi orokorra

23 guztira zeru-gertaerak, barne 4 ilargi-faseak eta 2 planetako gertaerak.

Zeru gertakariak

Ordu guztiak tokiko orduan daude (Asia/Shanghai)

Group Data Egunsentia/ilunabarra Ilargi-irteera/ilargi-sarrera Ilargi-fasea Zeru gertakariak

Planetary outlook

December 2004 mid-month observing conditions

Mercury

Good
Itxurazko magnitudea: 2.1
Izardiа: 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

Igoera zuzena: 16h47m18s
Deklinazioa: -19°42'16"

Venus

Excellent
Itxurazko magnitudea: -3.9
Izardiа: 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

Igoera zuzena: 15h43m40s
Deklinazioa: -18°21'29"

Mars

Excellent
Itxurazko magnitudea: 1.6
Izardiа: 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

Igoera zuzena: 15h21m35s
Deklinazioa: -18°07'59"

Jupiter

Excellent
Itxurazko magnitudea: -1.9
Izardiа: 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

Igoera zuzena: 12h58m20s
Deklinazioa: -04°53'44"

Saturn

Excellent
Itxurazko magnitudea: -0.2
Izardiа: 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

Igoera zuzena: 07h52m32s
Deklinazioa: +20°52'47"

Uranus

Fair
Itxurazko magnitudea: 5.9
Izardiа: Pisces
Angular diameter: 3.5"
Status: near western quadrature

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

Igoera zuzena: 22h22m10s
Deklinazioa: -10°59'03"

Neptune

Fair
Itxurazko magnitudea: 7.8
Izardiа: Aquarius
Angular diameter: 2.2"
Status: near western quadrature

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

Igoera zuzena: 21h03m18s
Deklinazioa: -16°54'14"

Moon

Excellent
Itxurazko magnitudea: -12.7
Izardiа: Aquarius
Angular diameter: 12852.9"
Status: Moon illumination 12.8%

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

Igoera zuzena: 20h34m15s
Deklinazioa: -23°58'45"