December 2022 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

27 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 2022 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.7
กลุ่มดาว: Capricornus
Angular diameter: 5.8"
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: 18h51m34s
เดคลิเนชัน: -25°08'26"

Venus

Excellent
Apparent magnitude: -3.9
กลุ่มดาว: Capricornus
Angular diameter: 10.1"
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: 18h26m37s
เดคลิเนชัน: -24°12'00"

Mars

Excellent
Apparent magnitude: -1.8
กลุ่มดาว: Gemini
Angular diameter: 16.6"
Status: near western quadrature

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

Right ascension: 04h47m26s
เดคลิเนชัน: +24°55'46"

Jupiter

Excellent
Apparent magnitude: -2.5
กลุ่มดาว: Aries
Angular diameter: 41.6"
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: 00h00m31s
เดคลิเนชัน: -01°25'31"

Saturn

Excellent
Apparent magnitude: 0.8
กลุ่มดาว: Aquarius
Angular diameter: 16.1"
Status: near western quadrature

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

Right ascension: 21h34m41s
เดคลิเนชัน: -15°43'25"

Uranus

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

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

Right ascension: 02h52m50s
เดคลิเนชัน: +16°09'11"

Neptune

Fair
Apparent magnitude: 7.8
กลุ่มดาว: 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: 23h35m00s
เดคลิเนชัน: -04°00'12"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Virgo
Angular diameter: 11600.9"
Status: Moon illumination 63.3%

Observation tip: Moon illumination 63.3%; good for observing lunar surface detail

Right ascension: 10h44m22s
เดคลิเนชัน: +13°02'48"