April 1938 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

21 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 1938 mid-month observing conditions

Mercury

Good
Apparent magnitude: 3.1
กลุ่มดาว: Taurus
Angular diameter: 10.6"
Status: near superior conjunction

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

Right ascension: 02h06m56s
เดคลิเนชัน: +15°53'28"

Venus

Excellent
Apparent magnitude: -3.9
กลุ่มดาว: Taurus
Angular diameter: 10.3"
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: 02h37m04s
เดคลิเนชัน: +15°04'11"

Mars

Excellent
Apparent magnitude: 1.5
กลุ่มดาว: Taurus
Angular diameter: 4.0"
Status: near western quadrature

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

Right ascension: 03h25m35s
เดคลิเนชัน: +19°13'43"

Jupiter

Excellent
Apparent magnitude: -2.1
กลุ่มดาว: Aquarius
Angular diameter: 35.8"
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: 21h52m53s
เดคลิเนชัน: -13°37'03"

Saturn

Excellent
Apparent magnitude: 0.9
กลุ่มดาว: Aries
Angular diameter: 15.9"
Status: near eastern quadrature

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

Right ascension: 00h40m19s
เดคลิเนชัน: +01°58'06"

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: 02h40m54s
เดคลิเนชัน: +15°15'26"

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: 11h20m55s
เดคลิเนชัน: +05°27'13"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Libra
Angular diameter: 11907.4"
Status: Moon illumination 99.9%

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

Right ascension: 13h36m59s
เดคลิเนชัน: -12°53'26"