December 2086 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

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

เหตุการณ์ท้องฟ้า

All times are in local time (Asia/Shanghai)

Group วันที่ Sunrise/Sunset Moonrise/Moonset Moon Phase ปรากฏการณ์ท้องฟ้า

Planetary outlook

December 2086 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -1.3
กลุ่มดาว: Sagittarius
Angular diameter: 4.6"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Right ascension: 17h29m23s
เดคลิเนชัน: -24°27'58"

Venus

Excellent
Apparent magnitude: -3.9
กลุ่มดาว: Capricornus
Angular diameter: 10.4"
Status: near greatest western 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: 18h50m04s
เดคลิเนชัน: -24°05'36"

Mars

Excellent
Apparent magnitude: -1.5
กลุ่มดาว: Cancer
Angular diameter: 15.7"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Right ascension: 06h46m27s
เดคลิเนชัน: +26°05'46"

Jupiter

Excellent
Apparent magnitude: -2.1
กลุ่มดาว: Virgo
Angular diameter: 37.8"
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: 11h18m49s
เดคลิเนชัน: +05°38'41"

Saturn

Excellent
Apparent magnitude: 0.4
กลุ่มดาว: Aries
Angular diameter: 19.0"
Status: near western quadrature

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

Right ascension: 01h30m37s
เดคลิเนชัน: +06°39'02"

Uranus

Fair
Apparent magnitude: 5.9
กลุ่มดาว: Aquarius
Angular diameter: 3.4"
Status: near western quadrature

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

Right ascension: 21h56m53s
เดคลิเนชัน: -13°16'43"

Neptune

Fair
Apparent magnitude: 7.7
กลุ่มดาว: 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: 09h24m10s
เดคลิเนชัน: +15°22'47"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Aries
Angular diameter: 12621.5"
Status: Moon illumination 65.9%

Observation tip: Moon illumination 65.9%; good for observing lunar surface detail

Right ascension: 00h37m10s
เดคลิเนชัน: +08°32'06"