April 1954 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

19 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 1954 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.2
กลุ่มดาว: Aries
Angular diameter: 5.9"
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: 00h12m42s
เดคลิเนชัน: -01°24'32"

Venus

Excellent
Apparent magnitude: -3.9
กลุ่มดาว: Taurus
Angular diameter: 10.4"
Status: near greatest western elongation

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: 02h42m12s
เดคลิเนชัน: +15°32'41"

Mars

Excellent
Apparent magnitude: -0.4
กลุ่มดาว: Capricornus
Angular diameter: 11.3"
Status: near eastern quadrature

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

Right ascension: 18h03m40s
เดคลิเนชัน: -23°44'16"

Jupiter

Excellent
Apparent magnitude: -2.0
กลุ่มดาว: Gemini
Angular diameter: 35.2"
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: 05h26m48s
เดคลิเนชัน: +23°03'26"

Saturn

Excellent
Apparent magnitude: 0.2
กลุ่มดาว: Scorpius
Angular diameter: 18.8"
Status: near eastern quadrature

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

Right ascension: 14h21m57s
เดคลิเนชัน: -11°16'38"

Uranus

Fair
Apparent magnitude: 5.6
กลุ่มดาว: Cancer
Angular diameter: 3.8"
Status: near western quadrature

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

Right ascension: 07h23m12s
เดคลิเนชัน: +22°33'06"

Neptune

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

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

Right ascension: 13h34m08s
เดคลิเนชัน: -07°56'08"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Virgo
Angular diameter: 11525.1"
Status: Moon illumination 90.7%

Observation tip: Moon illumination 90.7%; good for observing lunar surface detail

Right ascension: 11h13m02s
เดคลิเนชัน: +00°20'07"