May 2017 Hemelgebeurtenissen

Waarnemer locatie:Beijing (39.904°, 116.407°)

Maandelijks overzicht hemelgebeurtenissen

20 hemelgebeurtenissen totaal, inclusief 4 maanfasen en 1 planetaire gebeurtenissen.

Dagelijkse hemelgebeurtenissen

Alle tijden zijn in lokale tijd (Asia/Shanghai)

Group Datum Zonsopgang/Zonsondergang Maansopgang/Maansondergang Maanfase Hemelgebeurtenissen

Planetary outlook

May 2017 mid-month observing conditions

Mercury

Excellent
Schijnbare helderheid: 0.6
Sterrenbeeld: Aries
Angular diameter: 8.7"
Status: near greatest eastern elongation

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Rechte klimming: 01h52m37s
Declinatie: +08°03'17"

Venus

Excellent
Schijnbare helderheid: -4.6
Sterrenbeeld: Aries
Angular diameter: 30.6"
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: 00h38m39s
Declinatie: +03°23'20"

Mars

Excellent
Schijnbare helderheid: 1.6
Sterrenbeeld: Gemini
Angular diameter: 3.8"
Status: near western quadrature

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

Rechte klimming: 04h59m23s
Declinatie: +23°28'12"

Jupiter

Excellent
Schijnbare helderheid: -2.4
Sterrenbeeld: Libra
Angular diameter: 42.5"
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: 12h54m34s
Declinatie: -04°12'18"

Saturn

Excellent
Schijnbare helderheid: 0.2
Sterrenbeeld: Sagittarius
Angular diameter: 18.1"
Status: near eastern quadrature

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

Rechte klimming: 17h45m29s
Declinatie: -22°01'18"

Uranus

Fair
Schijnbare helderheid: 5.9
Sterrenbeeld: Aries
Angular diameter: 3.4"
Status: near eastern quadrature

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

Rechte klimming: 01h37m53s
Declinatie: +09°34'46"

Neptune

Fair
Schijnbare helderheid: 7.8
Sterrenbeeld: Pisces
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rechte klimming: 23h02m19s
Declinatie: -07°06'48"

Moon

Excellent
Schijnbare helderheid: -12.7
Sterrenbeeld: Capricornus
Angular diameter: 11509.1"
Status: Moon illumination 85.5%

Observation tip: Moon illumination 85.5%; good for observing lunar surface detail

Rechte klimming: 18h38m29s
Declinatie: -19°17'38"