May 1917 Zeru gertakariak

Behatzailearen kokapena:Beijing (39.904°, 116.407°)

Planeten ikuspegi orokorra

22 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

May 1917 mid-month observing conditions

Mercury

Fair
Itxurazko magnitudea: 6.4
Izardiа: Taurus
Angular diameter: 12.1"
Status: near superior conjunction

Observation tip: A telescope is required; Mercury stays close to the Sun; best seen at dusk or dawn

Igoera zuzena: 03h36m40s
Deklinazioa: +19°05'32"

Venus

Excellent
Itxurazko magnitudea: -3.9
Izardiа: Taurus
Angular diameter: 9.7"
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: 03h45m18s
Deklinazioa: +19°35'00"

Mars

Excellent
Itxurazko magnitudea: 1.3
Izardiа: Taurus
Angular diameter: 3.9"
Status: near eastern quadrature

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

Igoera zuzena: 02h21m13s
Deklinazioa: +13°37'11"

Jupiter

Excellent
Itxurazko magnitudea: -2.0
Izardiа: Taurus
Angular diameter: 32.8"
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: 03h09m22s
Deklinazioa: +16°49'00"

Saturn

Excellent
Itxurazko magnitudea: 0.2
Izardiа: Cancer
Angular diameter: 17.5"
Status: near western quadrature

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

Igoera zuzena: 07h51m29s
Deklinazioa: +21°20'14"

Uranus

Fair
Itxurazko magnitudea: 5.9
Izardiа: Aquarius
Angular diameter: 3.5"
Status: near eastern quadrature

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

Igoera zuzena: 21h44m49s
Deklinazioa: -14°19'13"

Neptune

Fair
Itxurazko magnitudea: 7.9
Izardiа: Leo
Angular diameter: 2.2"
Status: near western quadrature

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

Igoera zuzena: 08h18m21s
Deklinazioa: +19°26'29"

Moon

Excellent
Itxurazko magnitudea: -12.7
Izardiа: Pisces
Angular diameter: 12569.6"
Status: Moon illumination 39.6%

Observation tip: Moon illumination 39.6%; good for observing lunar surface detail

Igoera zuzena: 22h24m14s
Deklinazioa: -05°31'08"