January 2023 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

January 2023 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: 1.1
กลุ่มดาว: Capricornus
Angular diameter: 9.3"
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: 18h38m33s
เดคลิเนชัน: -19°50'24"

Venus

Excellent
Apparent magnitude: -3.9
กลุ่มดาว: Aquarius
Angular diameter: 10.7"
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: 21h11m22s
เดคลิเนชัน: -17°52'17"

Mars

Excellent
Apparent magnitude: -0.8
กลุ่มดาว: Gemini
Angular diameter: 12.8"
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: 04h23m37s
เดคลิเนชัน: +24°27'39"

Jupiter

Excellent
Apparent magnitude: -2.3
กลุ่มดาว: Aries
Angular diameter: 37.7"
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: 00h13m26s
เดคลิเนชัน: +00°06'43"

Saturn

Excellent
Apparent magnitude: 0.9
กลุ่มดาว: Aquarius
Angular diameter: 15.6"
Status: near western quadrature

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

Right ascension: 21h46m32s
เดคลิเนชัน: -14°43'38"

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: 02h50m26s
เดคลิเนชัน: +15°59'25"

Neptune

Fair
Apparent magnitude: 7.8
กลุ่มดาว: Pisces
Angular diameter: 2.2"
Status: near western quadrature

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

Right ascension: 23h36m41s
เดคลิเนชัน: -03°48'19"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Libra
Angular diameter: 11990.9"
Status: Moon illumination 51.1%

Observation tip: Moon illumination 51.1%; good for observing lunar surface detail

Right ascension: 13h29m04s
เดคลิเนชัน: -07°46'28"