December 1909 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 1909 mid-month observing conditions

Mercury

Excellent
Itxurazko magnitudea: -0.9
Izardiа: Sagittarius
Angular diameter: 4.8"
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

Igoera zuzena: 17h55m11s
Deklinazioa: -25°18'26"

Venus

Excellent
Itxurazko magnitudea: -4.7
Izardiа: Aquarius
Angular diameter: 28.8"
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

Igoera zuzena: 20h48m22s
Deklinazioa: -19°59'09"

Mars

Excellent
Itxurazko magnitudea: -0.4
Izardiа: Aries
Angular diameter: 11.1"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Igoera zuzena: 00h34m43s
Deklinazioa: +03°45'44"

Jupiter

Excellent
Itxurazko magnitudea: -1.9
Izardiа: Libra
Angular diameter: 34.7"
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

Igoera zuzena: 12h44m01s
Deklinazioa: -03°23'08"

Saturn

Excellent
Itxurazko magnitudea: 0.5
Izardiа: Aries
Angular diameter: 18.7"
Status: near western quadrature

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

Igoera zuzena: 01h04m27s
Deklinazioa: +04°02'03"

Uranus

Fair
Itxurazko magnitudea: 5.9
Izardiа: Capricornus
Angular diameter: 3.4"
Status: near western quadrature

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

Igoera zuzena: 19h24m49s
Deklinazioa: -22°28'22"

Neptune

Fair
Itxurazko magnitudea: 7.8
Izardiа: Cancer
Angular diameter: 2.3"
Status: near eastern quadrature

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

Igoera zuzena: 07h20m16s
Deklinazioa: +21°26'47"

Moon

Excellent
Itxurazko magnitudea: -12.7
Izardiа: Capricornus
Angular diameter: 12064.7"
Status: Moon illumination 5.0%

Observation tip: Moon illumination 5.0%; good for observing lunar surface detail

Igoera zuzena: 19h20m23s
Deklinazioa: -25°37'53"