December 2012 Zeru gertakariak

Behatzailearen kokapena:Beijing (39.904°, 116.407°)

Planeten ikuspegi orokorra

19 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 2012 mid-month observing conditions

Mercury

Excellent
Itxurazko magnitudea: -0.5
Izardiа: 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

Igoera zuzena: 16h14m38s
Deklinazioa: -19°58'46"

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: 15h46m19s
Deklinazioa: -18°31'53"

Mars

Excellent
Itxurazko magnitudea: 1.2
Izardiа: 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

Igoera zuzena: 19h33m15s
Deklinazioa: -22°53'14"

Jupiter

Excellent
Itxurazko magnitudea: -2.8
Izardiа: Gemini
Angular diameter: 48.1"
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

Igoera zuzena: 04h32m39s
Deklinazioa: +21°08'53"

Saturn

Excellent
Itxurazko magnitudea: 0.7
Izardiа: Scorpius
Angular diameter: 15.9"
Status: near eastern quadrature

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

Igoera zuzena: 14h25m47s
Deklinazioa: -12°01'21"

Uranus

Fair
Itxurazko magnitudea: 5.9
Izardiа: Aries
Angular diameter: 3.6"
Status: near western quadrature

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

Igoera zuzena: 00h18m04s
Deklinazioa: +01°10'31"

Neptune

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

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

Igoera zuzena: 22h11m50s
Deklinazioa: -11°48'08"

Moon

Excellent
Itxurazko magnitudea: -12.7
Izardiа: Capricornus
Angular diameter: 12884.1"
Status: Moon illumination 4.1%

Observation tip: Moon illumination 4.1%; good for observing lunar surface detail

Igoera zuzena: 19h09m33s
Deklinazioa: -18°23'31"