December 1931 Zeru gertakariak

Behatzailearen kokapena:Beijing (39.904°, 116.407°)

Planeten ikuspegi orokorra

28 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 1931 mid-month observing conditions

Mercury

Excellent
Itxurazko magnitudea: 1.2
Izardiа: Capricornus
Angular diameter: 9.1"
Status: near superior conjunction

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Igoera zuzena: 18h23m58s
Deklinazioa: -23°16'46"

Venus

Excellent
Itxurazko magnitudea: -3.9
Izardiа: Capricornus
Angular diameter: 11.1"
Status: near greatest western elongation

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: 19h12m33s
Deklinazioa: -23°54'17"

Mars

Excellent
Itxurazko magnitudea: 1.2
Izardiа: 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

Igoera zuzena: 18h16m13s
Deklinazioa: -24°16'56"

Jupiter

Excellent
Itxurazko magnitudea: -2.3
Izardiа: Leo
Angular diameter: 41.4"
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: 09h40m52s
Deklinazioa: +14°45'10"

Saturn

Excellent
Itxurazko magnitudea: 0.6
Izardiа: Capricornus
Angular diameter: 15.3"
Status: near western quadrature

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

Igoera zuzena: 19h34m25s
Deklinazioa: -21°44'25"

Uranus

Fair
Itxurazko magnitudea: 5.8
Izardiа: Aries
Angular diameter: 3.6"
Status: near western quadrature

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

Igoera zuzena: 00h58m03s
Deklinazioa: +05°29'57"

Neptune

Fair
Itxurazko magnitudea: 7.9
Izardiа: Virgo
Angular diameter: 2.3"
Status: near eastern quadrature

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

Igoera zuzena: 10h39m44s
Deklinazioa: +09°17'07"

Moon

Excellent
Itxurazko magnitudea: -12.7
Izardiа: Pisces
Angular diameter: 11723.8"
Status: Moon illumination 31.8%

Observation tip: Moon illumination 31.8%; good for observing lunar surface detail

Igoera zuzena: 22h14m26s
Deklinazioa: -13°41'53"