January 1917 Zeru gertakariak

Behatzailearen kokapena:Beijing (39.904°, 116.407°)

Planeten ikuspegi orokorra

25 guztira zeru-gertaerak, barne 4 ilargi-faseak eta 4 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 1917 mid-month observing conditions

Mercury

Good
Itxurazko magnitudea: 2.5
Izardiа: Aquarius
Angular diameter: 9.5"
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: 20h21m09s
Deklinazioa: -17°14'45"

Venus

Excellent
Itxurazko magnitudea: -3.9
Izardiа: Sagittarius
Angular diameter: 11.2"
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: 17h57m34s
Deklinazioa: -22°50'56"

Mars

Excellent
Itxurazko magnitudea: 1.1
Izardiа: Aquarius
Angular diameter: 4.0"
Status: near western quadrature

Observation tip: Visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Igoera zuzena: 20h27m34s
Deklinazioa: -20°15'04"

Jupiter

Excellent
Itxurazko magnitudea: -2.4
Izardiа: Aries
Angular diameter: 40.8"
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: 01h40m01s
Deklinazioa: +09°07'12"

Saturn

Excellent
Itxurazko magnitudea: -0.3
Izardiа: Cancer
Angular diameter: 20.6"
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: 07h57m55s
Deklinazioa: +20°53'21"

Uranus

Fair
Itxurazko magnitudea: 6.0
Izardiа: Aquarius
Angular diameter: 3.4"
Status: near western quadrature

Observation tip: A telescope is required; Binoculars or a telescope are recommended

Igoera zuzena: 21h23m44s
Deklinazioa: -15°59'58"

Neptune

Fair
Itxurazko magnitudea: 7.8
Izardiа: Leo
Angular diameter: 2.4"
Status: near eastern quadrature

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

Igoera zuzena: 08h24m03s
Deklinazioa: +19°05'25"

Moon

Excellent
Itxurazko magnitudea: -12.7
Izardiа: Libra
Angular diameter: 11728.1"
Status: Moon illumination 64.8%

Observation tip: Moon illumination 64.8%; good for observing lunar surface detail

Igoera zuzena: 12h17m55s
Deklinazioa: -07°34'24"