April 1974 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 1974 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.4
กลุ่มดาว: Aries
Angular diameter: 5.6"
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: 00h24m07s
เดคลิเนชัน: -00°01'47"

Venus

Excellent
Apparent magnitude: -4.4
กลุ่มดาว: Pisces
Angular diameter: 21.7"
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: 22h40m39s
เดคลิเนชัน: -08°14'15"

Mars

Excellent
Apparent magnitude: 1.4
กลุ่มดาว: Gemini
Angular diameter: 5.1"
Status: near western quadrature

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

Right ascension: 05h45m59s
เดคลิเนชัน: +24°57'03"

Jupiter

Excellent
Apparent magnitude: -2.1
กลุ่มดาว: Pisces
Angular diameter: 34.9"
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: 22h40m58s
เดคลิเนชัน: -09°17'27"

Saturn

Excellent
Apparent magnitude: 0.1
กลุ่มดาว: Gemini
Angular diameter: 17.7"
Status: near western quadrature

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

Right ascension: 05h58m37s
เดคลิเนชัน: +22°42'13"

Uranus

Fair
Apparent magnitude: 5.4
กลุ่มดาว: Libra
Angular diameter: 4.0"
Status: near eastern quadrature

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

Right ascension: 13h36m34s
เดคลิเนชัน: -09°24'13"

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: 16h31m34s
เดคลิเนชัน: -20°14'36"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Aquarius
Angular diameter: 11512.1"
Status: Moon illumination 46.6%

Observation tip: Moon illumination 46.6%; good for observing lunar surface detail

Right ascension: 20h00m46s
เดคลิเนชัน: -17°21'07"