June 1921 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

June 1921 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: 0.8
กลุ่มดาว: Cancer
Angular diameter: 8.9"
Status: near superior conjunction

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

Right ascension: 07h14m29s
เดคลิเนชัน: +22°53'03"

Venus

Excellent
Apparent magnitude: -4.6
กลุ่มดาว: Taurus
Angular diameter: 29.2"
Status: near greatest eastern 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: 02h29m47s
เดคลิเนชัน: +11°48'01"

Mars

Excellent
Apparent magnitude: 1.5
กลุ่มดาว: Gemini
Angular diameter: 3.6"
Status: near western quadrature

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

Right ascension: 05h48m38s
เดคลิเนชัน: +24°09'42"

Jupiter

Excellent
Apparent magnitude: -1.9
กลุ่มดาว: Virgo
Angular diameter: 35.5"
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: 10h52m34s
เดคลิเนชัน: +08°29'11"

Saturn

Excellent
Apparent magnitude: 1.0
กลุ่มดาว: Virgo
Angular diameter: 17.5"
Status: near western quadrature

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

Right ascension: 11h21m09s
เดคลิเนชัน: +06°33'24"

Uranus

Fair
Apparent magnitude: 5.9
กลุ่มดาว: Pisces
Angular diameter: 3.6"
Status: near eastern quadrature

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

Right ascension: 22h45m58s
เดคลิเนชัน: -08°40'38"

Neptune

Fair
Apparent magnitude: 7.9
กลุ่มดาว: Leo
Angular diameter: 2.2"
Status: near western quadrature

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

Right ascension: 08h56m49s
เดคลิเนชัน: +17°20'31"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Libra
Angular diameter: 12168.8"
Status: Moon illumination 72.6%

Observation tip: Moon illumination 72.6%; good for observing lunar surface detail

Right ascension: 13h13m19s
เดคลิเนชัน: -08°18'19"