April 2084 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

21 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 2084 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: 1.0
กลุ่มดาว: Aries
Angular diameter: 9.6"
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: 00h08m14s
เดคลิเนชัน: -00°26'32"

Venus

Excellent
Apparent magnitude: -4.8
กลุ่มดาว: Taurus
Angular diameter: 40.8"
Status: near superior 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: 03h57m47s
เดคลิเนชัน: +26°15'07"

Mars

Excellent
Apparent magnitude: 0.8
กลุ่มดาว: Aquarius
Angular diameter: 6.2"
Status: near eastern quadrature

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

Right ascension: 21h31m59s
เดคลิเนชัน: -16°02'22"

Jupiter

Excellent
Apparent magnitude: -2.0
กลุ่มดาว: Gemini
Angular diameter: 34.3"
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: 04h35m10s
เดคลิเนชัน: +21°32'38"

Saturn

Excellent
Apparent magnitude: 1.1
กลุ่มดาว: Pisces
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: 23h56m26s
เดคลิเนชัน: -02°33'19"

Uranus

Fair
Apparent magnitude: 5.9
กลุ่มดาว: Aquarius
Angular diameter: 3.5"
Status: near eastern quadrature

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

Right ascension: 21h35m41s
เดคลิเนชัน: -15°02'12"

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: 08h46m52s
เดคลิเนชัน: +17°52'27"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Leo
Angular diameter: 11707.7"
Status: Moon illumination 66.6%

Observation tip: Moon illumination 66.6%; good for observing lunar surface detail

Right ascension: 09h08m46s
เดคลิเนชัน: +14°33'02"