April 2017 Hemelgebeurtenissen

Waarnemer locatie:Beijing (39.904°, 116.407°)

Maandelijks overzicht hemelgebeurtenissen

22 hemelgebeurtenissen totaal, inclusief 4 maanfasen en 4 planetaire gebeurtenissen.

Dagelijkse hemelgebeurtenissen

Alle tijden zijn in lokale tijd (Asia/Shanghai)

Group Datum Zonsopgang/Zonsondergang Maansopgang/Maansondergang Maanfase Hemelgebeurtenissen

Planetary outlook

April 2017 mid-month observing conditions

Mercury

Good
Schijnbare helderheid: 3.8
Sterrenbeeld: 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

Rechte klimming: 02h01m33s
Declinatie: +15°15'59"

Venus

Excellent
Schijnbare helderheid: -4.7
Sterrenbeeld: 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

Rechte klimming: 23h41m29s
Declinatie: +02°55'06"

Mars

Excellent
Schijnbare helderheid: 1.5
Sterrenbeeld: 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

Rechte klimming: 03h32m14s
Declinatie: +19°38'44"

Jupiter

Excellent
Schijnbare helderheid: -2.5
Sterrenbeeld: 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

Rechte klimming: 13h06m23s
Declinatie: -05°21'05"

Saturn

Excellent
Schijnbare helderheid: 0.3
Sterrenbeeld: 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

Rechte klimming: 17h50m12s
Declinatie: -22°03'44"

Uranus

Fair
Schijnbare helderheid: 6.0
Sterrenbeeld: Aries
Angular diameter: 3.4"
Status: near eastern quadrature

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

Rechte klimming: 01h31m36s
Declinatie: +08°58'25"

Neptune

Fair
Schijnbare helderheid: 7.8
Sterrenbeeld: Pisces
Angular diameter: 2.2"
Status: near eastern quadrature

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

Rechte klimming: 22h59m36s
Declinatie: -07°22'33"

Moon

Excellent
Schijnbare helderheid: -12.7
Sterrenbeeld: Sagittarius
Angular diameter: 11477.4"
Status: Moon illumination 87.4%

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

Rechte klimming: 16h23m05s
Declinatie: -16°25'25"