April 1980 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

20 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 1980 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.0
กลุ่มดาว: Aries
Angular diameter: 6.3"
Status: near inferior conjunction

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

Right ascension: 00h05m54s
เดคลิเนชัน: -02°12'01"

Venus

Excellent
Apparent magnitude: -4.6
กลุ่มดาว: Gemini
Angular diameter: 26.1"
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: 04h33m38s
เดคลิเนชัน: +25°49'28"

Mars

Excellent
Apparent magnitude: -0.2
กลุ่มดาว: Leo
Angular diameter: 10.5"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Right ascension: 09h57m58s
เดคลิเนชัน: +15°16'21"

Jupiter

Excellent
Apparent magnitude: -2.3
กลุ่มดาว: Virgo
Angular diameter: 41.4"
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: 10h11m52s
เดคลิเนชัน: +12°30'14"

Saturn

Excellent
Apparent magnitude: 0.7
กลุ่มดาว: Virgo
Angular diameter: 19.3"
Status: near western quadrature

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

Right ascension: 11h32m00s
เดคลิเนชัน: +05°37'52"

Uranus

Fair
Apparent magnitude: 5.5
กลุ่มดาว: Scorpius
Angular diameter: 3.9"
Status: near eastern quadrature

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

Right ascension: 15h29m42s
เดคลิเนชัน: -18°40'04"

Neptune

Fair
Apparent magnitude: 7.9
กลุ่มดาว: Sagittarius
Angular diameter: 2.3"
Status: near eastern quadrature

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

Right ascension: 17h27m54s
เดคลิเนชัน: -21°50'15"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Aries
Angular diameter: 12969.1"
Status: Moon illumination 0.2%

Observation tip: Moon illumination 0.2%; good for observing lunar surface detail

Right ascension: 01h31m08s
เดคลิเนชัน: +05°01'57"