December 2021 Gökyüzü Olayları

Observer Location:Beijing (39.904°, 116.407°)

Gezegenlere Genel Bakış

22 sky events total, including 4 moon phases and 0 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 2021 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.9
Takımyıldız: Capricornus
Angular diameter: 4.8"
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

Right ascension: 18h08m44s
Gerilim: -25°25'37"

Venus

Excellent
Apparent magnitude: -4.9
Takımyıldız: Capricornus
Angular diameter: 48.7"
Status: near superior 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: 19h53m15s
Gerilim: -21°58'43"

Mars

Excellent
Apparent magnitude: 1.6
Takımyıldız: Scorpius
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

Right ascension: 15h55m56s
Gerilim: -20°19'57"

Jupiter

Excellent
Apparent magnitude: -2.2
Takımyıldız: Pisces
Angular diameter: 36.9"
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: 22h00m06s
Gerilim: -13°18'29"

Saturn

Excellent
Apparent magnitude: 0.7
Takımyıldız: Aquarius
Angular diameter: 15.7"
Status: near western quadrature

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

Right ascension: 20h51m25s
Gerilim: -18°28'44"

Uranus

Fair
Apparent magnitude: 5.7
Takımyıldız: Taurus
Angular diameter: 3.7"
Status: near western quadrature

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

Right ascension: 02h36m04s
Gerilim: +14°49'59"

Neptune

Fair
Apparent magnitude: 7.8
Takımyıldız: Pisces
Angular diameter: 2.3"
Status: near western quadrature

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

Right ascension: 23h26m43s
Gerilim: -04°49'57"

Moon

Excellent
Apparent magnitude: -12.7
Takımyıldız: Taurus
Angular diameter: 11549.2"
Status: Moon illumination 85.2%

Observation tip: Moon illumination 85.2%; good for observing lunar surface detail

Right ascension: 02h24m59s
Gerilim: +12°07'45"