December 2018 Gökyüzü Olayları

Observer Location:Beijing (39.904°, 116.407°)

Gezegenlere Genel Bakış

19 sky events total, including 4 moon phases and 1 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 2018 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.3
Takımyıldız: Sagittarius
Angular diameter: 6.7"
Status: near greatest eastern 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: 16h00m44s
Gerilim: -18°16'18"

Venus

Excellent
Apparent magnitude: -4.8
Takımyıldız: Scorpius
Angular diameter: 32.9"
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: 14h27m23s
Gerilim: -11°35'54"

Mars

Excellent
Apparent magnitude: 0.2
Takımyıldız: Pisces
Angular diameter: 8.4"
Status: near western quadrature

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

Right ascension: 23h19m13s
Gerilim: -05°10'43"

Jupiter

Excellent
Apparent magnitude: -1.8
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: 16h25m48s
Gerilim: -21°01'27"

Saturn

Excellent
Apparent magnitude: 0.6
Takımyıldız: Capricornus
Angular diameter: 15.1"
Status: near western quadrature

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

Right ascension: 18h40m42s
Gerilim: -22°35'58"

Uranus

Fair
Apparent magnitude: 5.8
Takımyıldız: Aries
Angular diameter: 3.7"
Status: near western quadrature

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

Right ascension: 01h47m56s
Gerilim: +10°32'48"

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: 23h01m50s
Gerilim: -07°16'08"

Moon

Excellent
Apparent magnitude: -12.7
Takımyıldız: Pisces
Angular diameter: 11588.3"
Status: Moon illumination 45.4%

Observation tip: Moon illumination 45.4%; good for observing lunar surface detail

Right ascension: 23h20m22s
Gerilim: -08°38'05"