December 2090 Gökyüzü Olayları

Observer Location:Beijing (39.904°, 116.407°)

Gezegenlere Genel Bakış

24 sky events total, including 4 moon phases and 5 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 2090 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.0
Takımyıldız: Sagittarius
Angular diameter: 7.8"
Status: near greatest eastern elongation

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

Right ascension: 16h09m27s
Gerilim: -18°12'04"

Venus

Excellent
Apparent magnitude: -4.5
Takımyıldız: Scorpius
Angular diameter: 24.7"
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

Right ascension: 14h21m00s
Gerilim: -11°08'36"

Mars

Excellent
Apparent magnitude: 0.6
Takımyıldız: Virgo
Angular diameter: 7.7"
Status: near eastern quadrature

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

Right ascension: 11h16m03s
Gerilim: +07°24'18"

Jupiter

Excellent
Apparent magnitude: -1.8
Takımyıldız: Sagittarius
Angular diameter: 31.6"
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

Right ascension: 17h57m08s
Gerilim: -23°12'53"

Saturn

Excellent
Apparent magnitude: -0.5
Takımyıldız: Gemini
Angular diameter: 20.7"
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: 05h24m41s
Gerilim: +21°40'34"

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: 22h55m36s
Gerilim: -07°40'46"

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: 09h59m17s
Gerilim: +12°42'53"

Moon

Excellent
Apparent magnitude: -12.7
Takımyıldız: Libra
Angular diameter: 12579.7"
Status: Moon illumination 40.9%

Observation tip: Moon illumination 40.9%; good for observing lunar surface detail

Right ascension: 12h17m41s
Gerilim: -00°10'17"