April 1908 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

20 sky events total, including 5 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

April 1908 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.2
กลุ่มดาว: Aries
Angular diameter: 5.8"
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: 00h15m54s
เดคลิเนชัน: -01°02'14"

Venus

Excellent
Apparent magnitude: -4.3
กลุ่มดาว: Gemini
Angular diameter: 20.7"
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: 04h30m23s
เดคลิเนชัน: +24°49'34"

Mars

Excellent
Apparent magnitude: 1.6
กลุ่มดาว: Gemini
Angular diameter: 4.3"
Status: near western quadrature

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

Right ascension: 04h12m33s
เดคลิเนชัน: +22°02'25"

Jupiter

Excellent
Apparent magnitude: -2.2
กลุ่มดาว: Leo
Angular diameter: 38.9"
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: 08h25m50s
เดคลิเนชัน: +20°02'54"

Saturn

Excellent
Apparent magnitude: 1.0
กลุ่มดาว: Aries
Angular diameter: 15.9"
Status: near eastern quadrature

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

Right ascension: 00h15m14s
เดคลิเนชัน: -00°38'38"

Uranus

Fair
Apparent magnitude: 5.7
กลุ่มดาว: Capricornus
Angular diameter: 3.6"
Status: near eastern quadrature

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

Right ascension: 19h13m28s
เดคลิเนชัน: -22°46'26"

Neptune

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

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

Right ascension: 06h52m47s
เดคลิเนชัน: +22°05'57"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Libra
Angular diameter: 11800.6"
Status: Moon illumination 96.8%

Observation tip: Moon illumination 96.8%; good for observing lunar surface detail

Right ascension: 12h24m12s
เดคลิเนชัน: +02°50'21"