September 1986 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

23 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

September 1986 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -1.0
กลุ่มดาว: Libra
Angular diameter: 4.8"
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: 12h00m57s
เดคลิเนชัน: +01°00'05"

Venus

Excellent
Apparent magnitude: -4.7
กลุ่มดาว: Scorpius
Angular diameter: 31.1"
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: 14h10m02s
เดคลิเนชัน: -17°31'46"

Mars

Excellent
Apparent magnitude: -1.3
กลุ่มดาว: Capricornus
Angular diameter: 15.6"
Status: near western quadrature

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

Right ascension: 19h22m59s
เดคลิเนชัน: -26°19'32"

Jupiter

Excellent
Apparent magnitude: -2.9
กลุ่มดาว: Pisces
Angular diameter: 49.6"
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: 23h15m42s
เดคลิเนชัน: -06°24'20"

Saturn

Excellent
Apparent magnitude: 0.5
กลุ่มดาว: Sagittarius
Angular diameter: 16.2"
Status: near western quadrature

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

Right ascension: 16h10m24s
เดคลิเนชัน: -19°21'01"

Uranus

Fair
Apparent magnitude: 5.6
กลุ่มดาว: Sagittarius
Angular diameter: 3.7"
Status: near western quadrature

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

Right ascension: 17h09m56s
เดคลิเนชัน: -23°02'46"

Neptune

Fair
Apparent magnitude: 7.9
กลุ่มดาว: Capricornus
Angular diameter: 2.3"
Status: near western quadrature

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

Right ascension: 18h13m08s
เดคลิเนชัน: -22°20'30"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Aquarius
Angular diameter: 12493.1"
Status: Moon illumination 87.5%

Observation tip: Moon illumination 87.5%; good for observing lunar surface detail

Right ascension: 20h57m40s
เดคลิเนชัน: -22°19'29"