January 1929 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

22 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 1929 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.9
กลุ่มดาว: Aquarius
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: 20h54m01s
เดคลิเนชัน: -19°01'17"

Venus

Excellent
Apparent magnitude: -4.3
กลุ่มดาว: Pisces
Angular diameter: 19.2"
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: 22h46m33s
เดคลิเนชัน: -08°51'08"

Mars

Excellent
Apparent magnitude: -1.0
กลุ่มดาว: Gemini
Angular diameter: 13.8"
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: 05h24m19s
เดคลิเนชัน: +26°38'44"

Jupiter

Excellent
Apparent magnitude: -2.4
กลุ่มดาว: Aries
Angular diameter: 41.4"
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: 01h57m33s
เดคลิเนชัน: +10°47'26"

Saturn

Excellent
Apparent magnitude: 0.5
กลุ่มดาว: Sagittarius
Angular diameter: 15.3"
Status: near eastern quadrature

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

Right ascension: 17h39m34s
เดคลิเนชัน: -22°12'00"

Uranus

Fair
Apparent magnitude: 5.9
กลุ่มดาว: Aries
Angular diameter: 3.5"
Status: near western quadrature

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

Right ascension: 00h15m33s
เดคลิเนชัน: +00°55'16"

Neptune

Fair
Apparent magnitude: 7.8
กลุ่มดาว: Virgo
Angular diameter: 2.3"
Status: near eastern quadrature

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

Right ascension: 10h12m41s
เดคลิเนชัน: +11°42'17"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Pisces
Angular diameter: 11925.6"
Status: Moon illumination 15.2%

Observation tip: Moon illumination 15.2%; good for observing lunar surface detail

Right ascension: 22h53m30s
เดคลิเนชัน: -12°28'37"