January 1947 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

25 sky events total, including 4 moon phases and 4 planetary events.

เหตุการณ์ท้องฟ้า

All times are in local time (Asia/Shanghai)

Group วันที่ Sunrise/Sunset Moonrise/Moonset Moon Phase ปรากฏการณ์ท้องฟ้า

Planetary outlook

January 1947 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -1.0
กลุ่มดาว: Capricornus
Angular diameter: 4.7"
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: 19h22m02s
เดคลิเนชัน: -23°50'20"

Venus

Excellent
Apparent magnitude: -4.7
กลุ่มดาว: Sagittarius
Angular diameter: 29.1"
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: 16h27m09s
เดคลิเนชัน: -17°36'40"

Mars

Excellent
Apparent magnitude: 1.1
กลุ่มดาว: Capricornus
Angular diameter: 3.9"
Status: near eastern quadrature

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

Right ascension: 19h35m05s
เดคลิเนชัน: -22°37'08"

Jupiter

Excellent
Apparent magnitude: -1.9
กลุ่มดาว: Scorpius
Angular diameter: 33.9"
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: 15h22m11s
เดคลิเนชัน: -17°28'04"

Saturn

Excellent
Apparent magnitude: -0.1
กลุ่มดาว: Leo
Angular diameter: 20.4"
Status: near eastern quadrature

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

Right ascension: 08h35m32s
เดคลิเนชัน: +19°14'37"

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: 05h09m44s
เดคลิเนชัน: +23°02'03"

Neptune

Fair
Apparent magnitude: 7.9
กลุ่มดาว: Libra
Angular diameter: 2.3"
Status: near eastern quadrature

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

Right ascension: 12h42m06s
เดคลิเนชัน: -02°53'06"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Scorpius
Angular diameter: 11715.4"
Status: Moon illumination 41.5%

Observation tip: Moon illumination 41.5%; good for observing lunar surface detail

Right ascension: 14h11m09s
เดคลิเนชัน: -09°54'15"