April 1924 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

21 sky events total, including 4 moon phases and 3 planetary events.

เหตุการณ์ท้องฟ้า

All times are in local time (Asia/Shanghai)

Group วันที่ Sunrise/Sunset Moonrise/Moonset Moon Phase ปรากฏการณ์ท้องฟ้า

Planetary outlook

April 1924 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.2
กลุ่มดาว: Taurus
Angular diameter: 7.3"
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: 02h43m58s
เดคลิเนชัน: +18°34'56"

Venus

Excellent
Apparent magnitude: -4.4
กลุ่มดาว: Gemini
Angular diameter: 21.7"
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: 04h32m11s
เดคลิเนชัน: +25°03'51"

Mars

Excellent
Apparent magnitude: 0.2
กลุ่มดาว: Capricornus
Angular diameter: 8.5"
Status: near eastern quadrature

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

Right ascension: 19h45m23s
เดคลิเนชัน: -22°14'25"

Jupiter

Excellent
Apparent magnitude: -2.4
กลุ่มดาว: Sagittarius
Angular diameter: 42.0"
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: 17h15m45s
เดคลิเนชัน: -22°20'20"

Saturn

Excellent
Apparent magnitude: 0.2
กลุ่มดาว: Libra
Angular diameter: 19.0"
Status: near eastern quadrature

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

Right ascension: 13h53m06s
เดคลิเนชัน: -08°39'58"

Uranus

Fair
Apparent magnitude: 6.0
กลุ่มดาว: Pisces
Angular diameter: 3.4"
Status: near eastern quadrature

Observation tip: A telescope is required; Binoculars or a telescope are recommended

Right ascension: 23h22m46s
เดคลิเนชัน: -04°49'02"

Neptune

Fair
Apparent magnitude: 7.9
กลุ่มดาว: Leo
Angular diameter: 2.3"
Status: near western quadrature

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

Right ascension: 09h20m40s
เดคลิเนชัน: +15°48'12"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Leo
Angular diameter: 12129.4"
Status: Moon illumination 74.7%

Observation tip: Moon illumination 74.7%; good for observing lunar surface detail

Right ascension: 09h45m38s
เดคลิเนชัน: +12°52'49"