April 2014 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

21 sky events total, including 4 moon phases and 3 planetary events.

เหตุการณ์ท้องฟ้า

All times are in local time (Asia/Shanghai)

Group วันที่ Sunrise/Sunset Moonrise/Moonset Moon Phase ปรากฏการณ์ท้องฟ้า

Planetary outlook

April 2014 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -1.0
กลุ่มดาว: Aries
Angular diameter: 5.2"
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: 00h51m42s
เดคลิเนชัน: +03°29'00"

Venus

Excellent
Apparent magnitude: -4.2
กลุ่มดาว: Pisces
Angular diameter: 19.4"
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: 22h45m58s
เดคลิเนชัน: -08°06'29"

Mars

Excellent
Apparent magnitude: -1.5
กลุ่มดาว: Libra
Angular diameter: 15.2"
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: 13h04m42s
เดคลิเนชัน: -04°26'02"

Jupiter

Excellent
Apparent magnitude: -2.1
กลุ่มดาว: Cancer
Angular diameter: 36.9"
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: 06h55m55s
เดคลิเนชัน: +23°06'04"

Saturn

Excellent
Apparent magnitude: 0.2
กลุ่มดาว: Scorpius
Angular diameter: 18.5"
Status: near eastern quadrature

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

Right ascension: 15h20m22s
เดคลิเนชัน: -15°50'11"

Uranus

Fair
Apparent magnitude: 6.0
กลุ่มดาว: Aries
Angular diameter: 3.4"
Status: near eastern quadrature

Observation tip: A telescope is required; Binoculars or a telescope are recommended

Right ascension: 00h49m33s
เดคลิเนชัน: +04°36'39"

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: 22h35m05s
เดคลิเนชัน: -09°39'37"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Libra
Angular diameter: 12041.6"
Status: Moon illumination 99.9%

Observation tip: Moon illumination 99.9%; good for observing lunar surface detail

Right ascension: 13h16m50s
เดคลิเนชัน: -08°50'39"