August 1920 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

18 sky events total, including 4 moon phases and 4 planetary events.

เหตุการณ์ท้องฟ้า

All times are in local time (Asia/Shanghai)

Group วันที่ Sunrise/Sunset Moonrise/Moonset Moon Phase ปรากฏการณ์ท้องฟ้า

Planetary outlook

August 1920 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: 0.1
กลุ่มดาว: Leo
Angular diameter: 7.5"
Status: near greatest eastern elongation

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

Right ascension: 08h20m44s
เดคลิเนชัน: +18°24'53"

Venus

Excellent
Apparent magnitude: -3.9
กลุ่มดาว: Virgo
Angular diameter: 9.9"
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: 10h23m42s
เดคลิเนชัน: +11°35'13"

Mars

Excellent
Apparent magnitude: 0.2
กลุ่มดาว: Scorpius
Angular diameter: 8.4"
Status: near western quadrature

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

Right ascension: 14h57m38s
เดคลิเนชัน: -18°34'33"

Jupiter

Excellent
Apparent magnitude: -1.7
กลุ่มดาว: Leo
Angular diameter: 30.9"
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: 09h59m18s
เดคลิเนชัน: +13°10'48"

Saturn

Excellent
Apparent magnitude: 0.9
กลุ่มดาว: Virgo
Angular diameter: 16.1"
Status: near western quadrature

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

Right ascension: 10h56m27s
เดคลิเนชัน: +08°40'37"

Uranus

Fair
Apparent magnitude: 5.8
กลุ่มดาว: Pisces
Angular diameter: 3.7"
Status: near eastern quadrature

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

Right ascension: 22h25m26s
เดคลิเนชัน: -10°43'32"

Neptune

Fair
Apparent magnitude: 8.0
กลุ่มดาว: Leo
Angular diameter: 2.2"
Status: near eastern quadrature

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

Right ascension: 08h56m34s
เดคลิเนชัน: +17°18'07"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Virgo
Angular diameter: 12647.3"
Status: Moon illumination 1.2%

Observation tip: Moon illumination 1.2%; good for observing lunar surface detail

Right ascension: 10h14m25s
เดคลิเนชัน: +05°59'00"