April 2017 Eventos celestes

Localización do observador:Beijing (39.904°, 116.407°)

Visión xeral dos planetas

22 eventos do ceo en total, incluíndo 4 fases da Lúa e 4 eventos planetarios.

Eventos celestes

Todas as horas están en hora local (Asia/Shanghai)

Group Data Amencer/posta de sol Saída/posta da Lúa Fase da Lúa Eventos celestes

Planetary outlook

April 2017 mid-month observing conditions

Mercury

Good
Magnitude aparente: 3.8
Constelación: 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

Ascensión recta: 02h01m33s
Declinación: +15°15'59"

Venus

Excellent
Magnitude aparente: -4.7
Constelación: 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

Ascensión recta: 23h41m29s
Declinación: +02°55'06"

Mars

Excellent
Magnitude aparente: 1.5
Constelación: 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

Ascensión recta: 03h32m14s
Declinación: +19°38'44"

Jupiter

Excellent
Magnitude aparente: -2.5
Constelación: 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

Ascensión recta: 13h06m23s
Declinación: -05°21'05"

Saturn

Excellent
Magnitude aparente: 0.3
Constelación: 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

Ascensión recta: 17h50m12s
Declinación: -22°03'44"

Uranus

Fair
Magnitude aparente: 6.0
Constelación: Aries
Angular diameter: 3.4"
Status: near eastern quadrature

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

Ascensión recta: 01h31m36s
Declinación: +08°58'25"

Neptune

Fair
Magnitude aparente: 7.8
Constelación: Pisces
Angular diameter: 2.2"
Status: near eastern quadrature

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

Ascensión recta: 22h59m36s
Declinación: -07°22'33"

Moon

Excellent
Magnitude aparente: -12.7
Constelación: Sagittarius
Angular diameter: 11477.4"
Status: Moon illumination 87.4%

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

Ascensión recta: 16h23m05s
Declinación: -16°25'25"