April 1942 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 1942 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -1.5
กลุ่มดาว: Aries
Angular diameter: 5.0"
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: 01h10m08s
เดคลิเนชัน: +05°59'35"

Venus

Excellent
Apparent magnitude: -4.4
กลุ่มดาว: Pisces
Angular diameter: 24.0"
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: 22h38m12s
เดคลิเนชัน: -08°04'57"

Mars

Excellent
Apparent magnitude: 1.4
กลุ่มดาว: Gemini
Angular diameter: 4.9"
Status: near western quadrature

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

Right ascension: 05h29m50s
เดคลิเนชัน: +24°42'33"

Jupiter

Excellent
Apparent magnitude: -2.0
กลุ่มดาว: Gemini
Angular diameter: 34.9"
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: 05h09m00s
เดคลิเนชัน: +22°40'06"

Saturn

Excellent
Apparent magnitude: 0.2
กลุ่มดาว: Taurus
Angular diameter: 16.7"
Status: near western quadrature

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

Right ascension: 03h40m54s
เดคลิเนชัน: +17°44'41"

Uranus

Fair
Apparent magnitude: 5.8
กลุ่มดาว: Taurus
Angular diameter: 3.5"
Status: near western quadrature

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

Right ascension: 03h44m30s
เดคลิเนชัน: +19°37'15"

Neptune

Fair
Apparent magnitude: 7.9
กลุ่มดาว: Virgo
Angular diameter: 2.3"
Status: near western quadrature

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

Right ascension: 11h54m07s
เดคลิเนชัน: +02°06'26"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Aries
Angular diameter: 11770.0"
Status: Moon illumination 0.4%

Observation tip: Moon illumination 0.4%; good for observing lunar surface detail

Right ascension: 01h08m49s
เดคลิเนชัน: +04°08'30"