April 2087 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

17 sky events total, including 4 moon phases and 2 planetary events.

เหตุการณ์ท้องฟ้า

All times are in local time (Asia/Shanghai)

Group วันที่ Sunrise/Sunset Moonrise/Moonset Moon Phase ปรากฏการณ์ท้องฟ้า

Planetary outlook

April 2087 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -2.1
กลุ่มดาว: Aries
Angular diameter: 5.0"
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: 01h30m59s
เดคลิเนชัน: +08°36'52"

Venus

Excellent
Apparent magnitude: -4.2
กลุ่มดาว: Gemini
Angular diameter: 17.4"
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: 04h23m51s
เดคลิเนชัน: +23°52'31"

Mars

Excellent
Apparent magnitude: 1.0
กลุ่มดาว: Cancer
Angular diameter: 6.5"
Status: near western quadrature

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

Right ascension: 07h22m10s
เดคลิเนชัน: +24°13'19"

Jupiter

Excellent
Apparent magnitude: -2.3
กลุ่มดาว: Virgo
Angular diameter: 42.2"
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: 10h46m30s
เดคลิเนชัน: +09°15'39"

Saturn

Excellent
Apparent magnitude: 0.5
กลุ่มดาว: Taurus
Angular diameter: 16.2"
Status: near western quadrature

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

Right ascension: 02h03m14s
เดคลิเนชัน: +10°09'08"

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: 22h20m15s
เดคลิเนชัน: -11°08'03"

Neptune

Fair
Apparent magnitude: 7.8
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: 09h13m54s
เดคลิเนชัน: +16°11'19"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Virgo
Angular diameter: 11578.5"
Status: Moon illumination 92.0%

Observation tip: Moon illumination 92.0%; good for observing lunar surface detail

Right ascension: 11h25m54s
เดคลิเนชัน: -01°21'43"