December 2089 Himmelsereignisse

Beobachterstandort:Beijing (39.904°, 116.407°)

Monatliche Himmelsereignisse

22 Himmelereignisse insgesamt, einschließlich 4 Mondphasen und 2 Planetenereignisse.

Tägliche Himmelsereignisse

Alle Zeiten in Ortszeit (Asia/Shanghai)

Group Datum Sonnenaufgang/-untergang Mondaufgang/-untergang Mondphase Himmelsereignisse

Planetary outlook

December 2089 mid-month observing conditions

Mercury

Good
Scheinbare Helligkeit: 2.8
Sternbild: Capricornus
Angular diameter: 9.6"
Status: near superior conjunction

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

Rektaszension: 18h09m51s
Deklination: -22°37'15"

Venus

Excellent
Scheinbare Helligkeit: -3.9
Sternbild: Sagittarius
Angular diameter: 9.8"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Venus is the brightest planet and is best seen at dusk or dawn

Rektaszension: 17h30m34s
Deklination: -23°22'53"

Mars

Excellent
Scheinbare Helligkeit: 1.2
Sternbild: Capricornus
Angular diameter: 4.0"
Status: near western quadrature

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

Rektaszension: 18h30m24s
Deklination: -24°09'49"

Jupiter

Excellent
Scheinbare Helligkeit: -1.7
Sternbild: Sagittarius
Angular diameter: 31.3"
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

Rektaszension: 16h12m03s
Deklination: -20°23'10"

Saturn

Excellent
Scheinbare Helligkeit: -0.3
Sternbild: Gemini
Angular diameter: 20.5"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Saturn’s rings require a telescope to see clearly

Rektaszension: 04h20m19s
Deklination: +19°25'29"

Uranus

Fair
Scheinbare Helligkeit: 5.9
Sternbild: Pisces
Angular diameter: 3.5"
Status: near western quadrature

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

Rektaszension: 22h41m06s
Deklination: -09°08'28"

Neptune

Fair
Scheinbare Helligkeit: 7.8
Sternbild: Leo
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektaszension: 09h50m36s
Deklination: +13°24'29"

Moon

Excellent
Scheinbare Helligkeit: -12.7
Sternbild: Taurus
Angular diameter: 12253.6"
Status: Moon illumination 91.1%

Observation tip: Moon illumination 91.1%; good for observing lunar surface detail

Rektaszension: 03h10m45s
Deklination: +14°11'25"