January 1931 Zeru gertakariak

Behatzailearen kokapena:Beijing (39.904°, 116.407°)

Planeten ikuspegi orokorra

25 guztira zeru-gertaerak, barne 4 ilargi-faseak eta 5 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

January 1931 mid-month observing conditions

Mercury

Excellent
Itxurazko magnitudea: 0.7
Izardiа: Capricornus
Angular diameter: 9.0"
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: 18h27m08s
Deklinazioa: -20°07'04"

Venus

Excellent
Itxurazko magnitudea: -4.7
Izardiа: Sagittarius
Angular diameter: 31.1"
Status: near greatest eastern 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: 16h29m48s
Deklinazioa: -17°30'29"

Mars

Excellent
Itxurazko magnitudea: -1.2
Izardiа: Leo
Angular diameter: 13.9"
Status: near eastern quadrature

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

Igoera zuzena: 09h02m12s
Deklinazioa: +21°21'30"

Jupiter

Excellent
Itxurazko magnitudea: -2.7
Izardiа: Cancer
Angular diameter: 46.7"
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: 07h02m27s
Deklinazioa: +22°51'15"

Saturn

Excellent
Itxurazko magnitudea: 0.5
Izardiа: Capricornus
Angular diameter: 15.1"
Status: near eastern quadrature

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

Igoera zuzena: 19h06m31s
Deklinazioa: -22°13'49"

Uranus

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

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

Igoera zuzena: 00h44m03s
Deklinazioa: +04°01'25"

Neptune

Fair
Itxurazko magnitudea: 7.8
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: 10h29m58s
Deklinazioa: +10°11'52"

Moon

Excellent
Itxurazko magnitudea: -12.7
Izardiа: Sagittarius
Angular diameter: 11965.1"
Status: Moon illumination 13.9%

Observation tip: Moon illumination 13.9%; good for observing lunar surface detail

Igoera zuzena: 16h32m23s
Deklinazioa: -25°53'38"