June 1940 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

June 1940 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: 0.0
กลุ่มดาว: Cancer
Angular diameter: 6.8"
Status: near greatest western elongation

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Right ascension: 07h13m13s
เดคลิเนชัน: +24°11'04"

Venus

Excellent
Apparent magnitude: -4.2
กลุ่มดาว: Cancer
Angular diameter: 53.7"
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: 06h49m55s
เดคลิเนชัน: +22°56'02"

Mars

Excellent
Apparent magnitude: 1.8
กลุ่มดาว: Cancer
Angular diameter: 3.7"
Status: near western quadrature

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

Right ascension: 07h19m43s
เดคลิเนชัน: +23°21'12"

Jupiter

Excellent
Apparent magnitude: -2.1
กลุ่มดาว: Taurus
Angular diameter: 35.3"
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: 02h17m44s
เดคลิเนชัน: +12°36'34"

Saturn

Excellent
Apparent magnitude: 0.4
กลุ่มดาว: Taurus
Angular diameter: 16.7"
Status: near eastern quadrature

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

Right ascension: 02h35m18s
เดคลิเนชัน: +12°50'43"

Uranus

Fair
Apparent magnitude: 5.8
กลุ่มดาว: Taurus
Angular diameter: 3.4"
Status: near eastern quadrature

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

Right ascension: 03h26m09s
เดคลิเนชัน: +18°28'40"

Neptune

Fair
Apparent magnitude: nan
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: 11h35m21s
เดคลิเนชัน: +03°59'50"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Libra
Angular diameter: 12597.5"
Status: Moon illumination 71.5%

Observation tip: Moon illumination 71.5%; good for observing lunar surface detail

Right ascension: 13h10m31s
เดคลิเนชัน: -07°21'50"