September 1903 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

19 sky events total, including 4 moon phases and 3 planetary events.

เหตุการณ์ท้องฟ้า

All times are in local time (Asia/Shanghai)

Group วันที่ Sunrise/Sunset Moonrise/Moonset Moon Phase ปรากฏการณ์ท้องฟ้า

Planetary outlook

September 1903 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: 0.4
กลุ่มดาว: Libra
Angular diameter: 8.0"
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: 12h54m57s
เดคลิเนชัน: -09°35'37"

Venus

Excellent
Apparent magnitude: -4.2
กลุ่มดาว: Virgo
Angular diameter: 58.7"
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: 11h29m47s
เดคลิเนชัน: -06°12'25"

Mars

Excellent
Apparent magnitude: 0.9
กลุ่มดาว: Scorpius
Angular diameter: 6.0"
Status: near western quadrature

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

Right ascension: 15h28m41s
เดคลิเนชัน: -20°08'49"

Jupiter

Excellent
Apparent magnitude: -2.9
กลุ่มดาว: Pisces
Angular diameter: 49.7"
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: 23h18m04s
เดคลิเนชัน: -06°10'40"

Saturn

Excellent
Apparent magnitude: 0.4
กลุ่มดาว: Aquarius
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: 20h22m22s
เดคลิเนชัน: -20°07'18"

Uranus

Fair
Apparent magnitude: 5.7
กลุ่มดาว: Sagittarius
Angular diameter: 3.7"
Status: near western quadrature

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

Right ascension: 17h23m51s
เดคลิเนชัน: -23°20'21"

Neptune

Fair
Apparent magnitude: 7.9
กลุ่มดาว: Cancer
Angular diameter: 2.3"
Status: near eastern quadrature

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

Right ascension: 06h24m57s
เดคลิเนชัน: +22°16'00"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Gemini
Angular diameter: 12501.3"
Status: Moon illumination 45.1%

Observation tip: Moon illumination 45.1%; good for observing lunar surface detail

Right ascension: 05h46m37s
เดคลิเนชัน: +18°13'23"