September 2020 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

21 sky events total, including 4 moon phases and 1 planetary events.

เหตุการณ์ท้องฟ้า

All times are in local time (Asia/Shanghai)

Group วันที่ Sunrise/Sunset Moonrise/Moonset Moon Phase ปรากฏการณ์ท้องฟ้า

Planetary outlook

September 2020 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.2
กลุ่มดาว: Libra
Angular diameter: 5.5"
Status: near greatest western elongation

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

Right ascension: 12h50m15s
เดคลิเนชัน: -06°15'56"

Venus

Excellent
Apparent magnitude: -4.2
กลุ่มดาว: Leo
Angular diameter: 17.4"
Status: near inferior 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: 08h47m09s
เดคลิเนชัน: +17°02'20"

Mars

Excellent
Apparent magnitude: -2.2
กลุ่มดาว: Aries
Angular diameter: 20.9"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Right ascension: 01h49m51s
เดคลิเนชัน: +06°50'20"

Jupiter

Excellent
Apparent magnitude: -2.5
กลุ่มดาว: Capricornus
Angular diameter: 42.6"
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: 19h15m43s
เดคลิเนชัน: -22°43'18"

Saturn

Excellent
Apparent magnitude: 0.4
กลุ่มดาว: Capricornus
Angular diameter: 17.6"
Status: near western quadrature

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

Right ascension: 19h50m07s
เดคลิเนชัน: -21°19'57"

Uranus

Fair
Apparent magnitude: 5.7
กลุ่มดาว: Taurus
Angular diameter: 3.7"
Status: near eastern quadrature

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

Right ascension: 02h32m14s
เดคลิเนชัน: +14°28'04"

Neptune

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

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

Right ascension: 23h23m00s
เดคลิเนชัน: -05°11'54"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Leo
Angular diameter: 12581.3"
Status: Moon illumination 8.6%

Observation tip: Moon illumination 8.6%; good for observing lunar surface detail

Right ascension: 09h30m17s
เดคลิเนชัน: +19°01'57"