August 2019 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

26 sky events total, including 5 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

August 2019 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.6
กลุ่มดาว: Leo
Angular diameter: 6.6"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Right ascension: 08h25m22s
เดคลิเนชัน: +19°06'15"

Venus

Excellent
Apparent magnitude: -3.9
กลุ่มดาว: Leo
Angular diameter: 9.6"
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: 09h39m36s
เดคลิเนชัน: +15°21'05"

Mars

Excellent
Apparent magnitude: 1.7
กลุ่มดาว: Virgo
Angular diameter: 3.5"
Status: near western quadrature

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

Right ascension: 10h02m07s
เดคลิเนชัน: +13°14'32"

Jupiter

Excellent
Apparent magnitude: -2.3
กลุ่มดาว: Sagittarius
Angular diameter: 41.0"
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: 16h53m01s
เดคลิเนชัน: -22°08'51"

Saturn

Excellent
Apparent magnitude: 0.2
กลุ่มดาว: Capricornus
Angular diameter: 18.0"
Status: near western quadrature

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

Right ascension: 19h04m14s
เดคลิเนชัน: -22°21'12"

Uranus

Fair
Apparent magnitude: 5.8
กลุ่มดาว: Taurus
Angular diameter: 3.6"
Status: near eastern quadrature

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

Right ascension: 02h17m48s
เดคลิเนชัน: +13°14'32"

Neptune

Fair
Apparent magnitude: 7.7
กลุ่มดาว: Pisces
Angular diameter: 2.4"
Status: near eastern quadrature

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

Right ascension: 23h17m31s
เดคลิเนชัน: -05°42'32"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Aquarius
Angular diameter: 11511.1"
Status: Moon illumination 99.7%

Observation tip: Moon illumination 99.7%; good for observing lunar surface detail

Right ascension: 21h17m47s
เดคลิเนชัน: -18°22'14"