July 1981 Hemelgebeurtenissen

Waarnemer locatie:Beijing (39.904°, 116.407°)

Maandelijks overzicht hemelgebeurtenissen

23 hemelgebeurtenissen totaal, inclusief 5 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

July 1981 mid-month observing conditions

Mercury

Excellent
Schijnbare helderheid: 0.3
Sterrenbeeld: Cancer
Angular diameter: 7.8"
Status: near inferior conjunction

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

Rechte klimming: 06h07m55s
Declinatie: +20°49'54"

Venus

Excellent
Schijnbare helderheid: -3.9
Sterrenbeeld: Leo
Angular diameter: 11.3"
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

Rechte klimming: 09h25m27s
Declinatie: +16°51'29"

Mars

Excellent
Schijnbare helderheid: 1.6
Sterrenbeeld: Gemini
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

Rechte klimming: 05h50m00s
Declinatie: +23°51'56"

Jupiter

Excellent
Schijnbare helderheid: -1.9
Sterrenbeeld: Libra
Angular diameter: 34.6"
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: 12h15m31s
Declinatie: -00°19'18"

Saturn

Excellent
Schijnbare helderheid: 0.9
Sterrenbeeld: Libra
Angular diameter: 16.9"
Status: near western quadrature

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

Rechte klimming: 12h19m30s
Declinatie: +00°27'04"

Uranus

Fair
Schijnbare helderheid: 5.5
Sterrenbeeld: Scorpius
Angular diameter: 3.9"
Status: near western quadrature

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

Rechte klimming: 15h35m51s
Declinatie: -19°06'21"

Neptune

Fair
Schijnbare helderheid: 7.8
Sterrenbeeld: Sagittarius
Angular diameter: 2.3"
Status: near western quadrature

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

Rechte klimming: 17h28m34s
Declinatie: -21°53'12"

Moon

Excellent
Schijnbare helderheid: -12.7
Sterrenbeeld: Sagittarius
Angular diameter: 11642.3"
Status: Moon illumination 95.2%

Observation tip: Moon illumination 95.2%; good for observing lunar surface detail

Rechte klimming: 17h48m27s
Declinatie: -20°25'44"