December 2040 Hemelgebeurtenissen

Waarnemer locatie:Beijing (39.904°, 116.407°)

Maandelijks overzicht hemelgebeurtenissen

26 hemelgebeurtenissen totaal, inclusief 4 maanfasen en 2 planetaire gebeurtenissen.

Dagelijkse hemelgebeurtenissen

Alle tijden zijn in lokale tijd (Asia/Shanghai)

Group Datum Zonsopgang/Zonsondergang Maansopgang/Maansondergang Maanfase Hemelgebeurtenissen

Planetary outlook

December 2040 mid-month observing conditions

Mercury

Excellent
Schijnbare helderheid: -1.3
Sterrenbeeld: Sagittarius
Angular diameter: 4.6"
Status: near greatest western elongation

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Rechte klimming: 17h33m16s
Declinatie: -24°36'52"

Venus

Excellent
Schijnbare helderheid: -4.3
Sterrenbeeld: Aquarius
Angular diameter: 19.9"
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: 20h50m32s
Declinatie: -20°00'44"

Mars

Excellent
Schijnbare helderheid: 1.2
Sterrenbeeld: Sagittarius
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: 17h35m04s
Declinatie: -23°56'46"

Jupiter

Excellent
Schijnbare helderheid: -1.8
Sterrenbeeld: Libra
Angular diameter: 33.3"
Status: near eastern 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: 13h39m27s
Declinatie: -09°03'11"

Saturn

Excellent
Schijnbare helderheid: 0.8
Sterrenbeeld: Libra
Angular diameter: 16.5"
Status: near eastern quadrature

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

Rechte klimming: 13h26m31s
Declinatie: -06°32'16"

Uranus

Fair
Schijnbare helderheid: 5.5
Sterrenbeeld: Leo
Angular diameter: 4.0"
Status: near eastern quadrature

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

Rechte klimming: 08h40m46s
Declinatie: +18°58'13"

Neptune

Fair
Schijnbare helderheid: 7.7
Sterrenbeeld: Taurus
Angular diameter: 2.3"
Status: near western quadrature

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

Rechte klimming: 02h06m43s
Declinatie: +10°55'25"

Moon

Excellent
Schijnbare helderheid: -12.7
Sterrenbeeld: Taurus
Angular diameter: 11975.1"
Status: Moon illumination 88.1%

Observation tip: Moon illumination 88.1%; good for observing lunar surface detail

Rechte klimming: 02h44m20s
Declinatie: +14°49'39"