December 2089 Gökyüzü Olayları

Observer Location:Beijing (39.904°, 116.407°)

Gezegenlere Genel Bakış

22 sky events total, including 4 moon phases and 2 planetary events.

Gökyüzü Olayları

All times are in local time (Asia/Shanghai)

Group Tarih Sunrise/Sunset Moonrise/Moonset Moon Phase Gökyüzü Olayları

Planetary outlook

December 2089 mid-month observing conditions

Mercury

Good
Apparent magnitude: 2.8
Takımyıldız: 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

Right ascension: 18h09m51s
Gerilim: -22°37'15"

Venus

Excellent
Apparent magnitude: -3.9
Takımyıldız: 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

Right ascension: 17h30m34s
Gerilim: -23°22'53"

Mars

Excellent
Apparent magnitude: 1.2
Takımyıldız: 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

Right ascension: 18h30m24s
Gerilim: -24°09'49"

Jupiter

Excellent
Apparent magnitude: -1.7
Takımyıldız: 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

Right ascension: 16h12m03s
Gerilim: -20°23'10"

Saturn

Excellent
Apparent magnitude: -0.3
Takımyıldız: 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

Right ascension: 04h20m19s
Gerilim: +19°25'29"

Uranus

Fair
Apparent magnitude: 5.9
Takımyıldız: Pisces
Angular diameter: 3.5"
Status: near western quadrature

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

Right ascension: 22h41m06s
Gerilim: -09°08'28"

Neptune

Fair
Apparent magnitude: 7.8
Takımyıldız: Leo
Angular diameter: 2.3"
Status: near eastern quadrature

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

Right ascension: 09h50m36s
Gerilim: +13°24'29"

Moon

Excellent
Apparent magnitude: -12.7
Takımyıldız: Taurus
Angular diameter: 12253.6"
Status: Moon illumination 91.1%

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

Right ascension: 03h10m45s
Gerilim: +14°11'25"