April 2051 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

18 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

April 2051 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: 1.2
กลุ่มดาว: Aries
Angular diameter: 10.1"
Status: near greatest eastern elongation

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Right ascension: 00h12m02s
เดคลิเนชัน: +00°28'15"

Venus

Excellent
Apparent magnitude: -3.9
กลุ่มดาว: Pisces
Angular diameter: 11.8"
Status: near inferior conjunction

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: 23h46m04s
เดคลิเนชัน: -03°05'21"

Mars

Excellent
Apparent magnitude: 1.5
กลุ่มดาว: Gemini
Angular diameter: 4.5"
Status: near western quadrature

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

Right ascension: 04h46m50s
เดคลิเนชัน: +23°29'02"

Jupiter

Excellent
Apparent magnitude: -2.3
กลุ่มดาว: Leo
Angular diameter: 41.1"
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: 09h54m21s
เดคลิเนชัน: +13°59'04"

Saturn

Excellent
Apparent magnitude: 0.8
กลุ่มดาว: Aquarius
Angular diameter: 16.2"
Status: near eastern quadrature

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

Right ascension: 21h26m23s
เดคลิเนชัน: -15°54'37"

Uranus

Fair
Apparent magnitude: 5.4
กลุ่มดาว: Virgo
Angular diameter: 4.0"
Status: near western quadrature

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

Right ascension: 11h32m39s
เดคลิเนชัน: +03°49'18"

Neptune

Fair
Apparent magnitude: 7.8
กลุ่มดาว: Taurus
Angular diameter: 2.2"
Status: near western quadrature

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

Right ascension: 03h39m45s
เดคลิเนชัน: +17°49'56"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Gemini
Angular diameter: 12474.7"
Status: Moon illumination 20.5%

Observation tip: Moon illumination 20.5%; good for observing lunar surface detail

Right ascension: 05h12m14s
เดคลิเนชัน: +19°08'12"