April 1945 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 1945 mid-month observing conditions

Mercury

Fair
Apparent magnitude: 6.0
กลุ่มดาว: Aries
Angular diameter: 11.7"
Status: near greatest eastern elongation

Observation tip: A telescope is required; Mercury stays close to the Sun; best seen at dusk or dawn

Right ascension: 01h19m38s
เดคลิเนชัน: +10°18'35"

Venus

Excellent
Apparent magnitude: -4.2
กลุ่มดาว: Aries
Angular diameter: 58.7"
Status: near superior 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: 01h25m18s
เดคลิเนชัน: +16°17'17"

Mars

Excellent
Apparent magnitude: 1.2
กลุ่มดาว: Pisces
Angular diameter: 4.6"
Status: near eastern quadrature

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

Right ascension: 23h11m11s
เดคลิเนชัน: -06°36'46"

Jupiter

Excellent
Apparent magnitude: -2.4
กลุ่มดาว: Virgo
Angular diameter: 42.9"
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: 11h21m19s
เดคลิเนชัน: +05°47'28"

Saturn

Excellent
Apparent magnitude: 0.1
กลุ่มดาว: Cancer
Angular diameter: 17.8"
Status: near western quadrature

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

Right ascension: 06h22m54s
เดคลิเนชัน: +22°50'38"

Uranus

Fair
Apparent magnitude: 5.7
กลุ่มดาว: Gemini
Angular diameter: 3.5"
Status: near western quadrature

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

Right ascension: 04h35m36s
เดคลิเนชัน: +22°00'51"

Neptune

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

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

Right ascension: 12h18m59s
เดคลิเนชัน: -00°26'27"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Taurus
Angular diameter: 12795.9"
Status: Moon illumination 9.2%

Observation tip: Moon illumination 9.2%; good for observing lunar surface detail

Right ascension: 03h53m00s
เดคลิเนชัน: +16°45'04"