January 2031 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

19 sky events total, including 4 moon phases and 1 planetary events.

เหตุการณ์ท้องฟ้า

All times are in local time (Asia/Shanghai)

Group วันที่ Sunrise/Sunset Moonrise/Moonset Moon Phase ปรากฏการณ์ท้องฟ้า

Planetary outlook

January 2031 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.3
กลุ่มดาว: Capricornus
Angular diameter: 5.6"
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: 18h16m06s
เดคลิเนชัน: -23°03'05"

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: 21h14m04s
เดคลิเนชัน: -17°40'52"

Mars

Excellent
Apparent magnitude: 0.9
กลุ่มดาว: Libra
Angular diameter: 6.6"
Status: near eastern quadrature

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

Right ascension: 13h52m27s
เดคลิเนชัน: -09°37'27"

Jupiter

Excellent
Apparent magnitude: -1.8
กลุ่มดาว: Sagittarius
Angular diameter: 32.4"
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: 17h09m18s
เดคลิเนชัน: -22°22'19"

Saturn

Excellent
Apparent magnitude: -0.1
กลุ่มดาว: Gemini
Angular diameter: 19.7"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Saturn’s rings require a telescope to see clearly

Right ascension: 04h02m30s
เดคลิเนชัน: +18°42'27"

Uranus

Fair
Apparent magnitude: 5.5
กลุ่มดาว: Gemini
Angular diameter: 3.8"
Status: near western quadrature

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

Right ascension: 05h14m32s
เดคลิเนชัน: +23°07'22"

Neptune

Fair
Apparent magnitude: 7.8
กลุ่มดาว: Aries
Angular diameter: 2.3"
Status: near western quadrature

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

Right ascension: 00h41m53s
เดคลิเนชัน: +02°50'46"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Libra
Angular diameter: 12080.3"
Status: Moon illumination 66.2%

Observation tip: Moon illumination 66.2%; good for observing lunar surface detail

Right ascension: 12h14m06s
เดคลิเนชัน: -06°23'34"