April 2017 Zeru gertakariak

Behatzailearen kokapena:Beijing (39.904°, 116.407°)

Planeten ikuspegi orokorra

22 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

April 2017 mid-month observing conditions

Mercury

Good
Itxurazko magnitudea: 3.8
Izardiа: Taurus
Angular diameter: 10.9"
Status: near superior conjunction

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

Igoera zuzena: 02h01m33s
Deklinazioa: +15°15'59"

Venus

Excellent
Itxurazko magnitudea: -4.7
Izardiа: Pisces
Angular diameter: 49.0"
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: 23h41m29s
Deklinazioa: +02°55'06"

Mars

Excellent
Itxurazko magnitudea: 1.5
Izardiа: Taurus
Angular diameter: 4.1"
Status: near western quadrature

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

Igoera zuzena: 03h32m14s
Deklinazioa: +19°38'44"

Jupiter

Excellent
Itxurazko magnitudea: -2.5
Izardiа: Libra
Angular diameter: 44.2"
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: 13h06m23s
Deklinazioa: -05°21'05"

Saturn

Excellent
Itxurazko magnitudea: 0.3
Izardiа: Sagittarius
Angular diameter: 17.4"
Status: near eastern quadrature

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

Igoera zuzena: 17h50m12s
Deklinazioa: -22°03'44"

Uranus

Fair
Itxurazko magnitudea: 6.0
Izardiа: Aries
Angular diameter: 3.4"
Status: near eastern quadrature

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

Igoera zuzena: 01h31m36s
Deklinazioa: +08°58'25"

Neptune

Fair
Itxurazko magnitudea: 7.8
Izardiа: Pisces
Angular diameter: 2.2"
Status: near eastern quadrature

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

Igoera zuzena: 22h59m36s
Deklinazioa: -07°22'33"

Moon

Excellent
Itxurazko magnitudea: -12.7
Izardiа: Sagittarius
Angular diameter: 11477.4"
Status: Moon illumination 87.4%

Observation tip: Moon illumination 87.4%; good for observing lunar surface detail

Igoera zuzena: 16h23m05s
Deklinazioa: -16°25'25"