September 1930 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

21 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 1930 mid-month observing conditions

Mercury

Good
Apparent magnitude: 2.2
กลุ่มดาว: Libra
Angular diameter: 10.2"
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: 12h10m28s
เดคลิเนชัน: -05°35'53"

Venus

Excellent
Apparent magnitude: -4.5
กลุ่มดาว: Scorpius
Angular diameter: 25.1"
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: 14h17m16s
เดคลิเนชัน: -16°56'31"

Mars

Excellent
Apparent magnitude: 0.8
กลุ่มดาว: Cancer
Angular diameter: 6.3"
Status: near eastern quadrature

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

Right ascension: 06h46m46s
เดคลิเนชัน: +23°25'09"

Jupiter

Excellent
Apparent magnitude: -2.1
กลุ่มดาว: Cancer
Angular diameter: 35.9"
Status: near eastern 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: 07h09m54s
เดคลิเนชัน: +22°23'42"

Saturn

Excellent
Apparent magnitude: 0.4
กลุ่มดาว: Capricornus
Angular diameter: 17.0"
Status: near western quadrature

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

Right ascension: 18h22m54s
เดคลิเนชัน: -22°48'11"

Uranus

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

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

Right ascension: 00h53m35s
เดคลิเนชัน: +04°58'27"

Neptune

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

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

Right ascension: 10h24m33s
เดคลิเนชัน: +10°39'28"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Gemini
Angular diameter: 12186.6"
Status: Moon illumination 59.7%

Observation tip: Moon illumination 59.7%; good for observing lunar surface detail

Right ascension: 04h32m45s
เดคลิเนชัน: +25°45'24"