April 2019 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

23 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 2019 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: 0.3
กลุ่มดาว: Pisces
Angular diameter: 7.3"
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: 23h54m05s
เดคลิเนชัน: -03°13'34"

Venus

Excellent
Apparent magnitude: -3.9
กลุ่มดาว: Pisces
Angular diameter: 12.3"
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: 23h37m00s
เดคลิเนชัน: -04°00'22"

Mars

Excellent
Apparent magnitude: 1.6
กลุ่มดาว: Gemini
Angular diameter: 4.4"
Status: near western quadrature

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

Right ascension: 04h31m37s
เดคลิเนชัน: +22°53'45"

Jupiter

Excellent
Apparent magnitude: -2.3
กลุ่มดาว: Sagittarius
Angular diameter: 41.6"
Status: near eastern 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: 17h35m22s
เดคลิเนชัน: -22°40'48"

Saturn

Excellent
Apparent magnitude: 0.5
กลุ่มดาว: Capricornus
Angular diameter: 16.7"
Status: near eastern quadrature

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

Right ascension: 19h27m43s
เดคลิเนชัน: -21°29'58"

Uranus

Fair
Apparent magnitude: 5.9
กลุ่มดาว: Taurus
Angular diameter: 3.4"
Status: near western quadrature

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

Right ascension: 02h00m16s
เดคลิเนชัน: +11°43'58"

Neptune

Fair
Apparent magnitude: 7.8
กลุ่มดาว: Pisces
Angular diameter: 2.2"
Status: near eastern quadrature

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

Right ascension: 23h15m45s
เดคลิเนชัน: -05°48'42"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Leo
Angular diameter: 12697.7"
Status: Moon illumination 74.4%

Observation tip: Moon illumination 74.4%; good for observing lunar surface detail

Right ascension: 09h48m14s
เดคลิเนชัน: +16°05'02"