September 1975 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 1975 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: 0.2
กลุ่มดาว: Libra
Angular diameter: 7.1"
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: 13h02m46s
เดคลิเนชัน: -09°39'30"

Venus

Excellent
Apparent magnitude: -4.6
กลุ่มดาว: Leo
Angular diameter: 50.5"
Status: near greatest eastern 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: 09h41m49s
เดคลิเนชัน: +06°13'25"

Mars

Excellent
Apparent magnitude: -0.2
กลุ่มดาว: Gemini
Angular diameter: 9.8"
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: 05h06m00s
เดคลิเนชัน: +22°05'21"

Jupiter

Excellent
Apparent magnitude: -2.9
กลุ่มดาว: Aries
Angular diameter: 48.5"
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: 01h27m59s
เดคลิเนชัน: +07°31'39"

Saturn

Excellent
Apparent magnitude: 0.2
กลุ่มดาว: Leo
Angular diameter: 17.2"
Status: near eastern quadrature

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

Right ascension: 08h07m54s
เดคลิเนชัน: +20°14'54"

Uranus

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

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

Right ascension: 13h53m39s
เดคลิเนชัน: -11°07'53"

Neptune

Fair
Apparent magnitude: 7.9
กลุ่มดาว: Sagittarius
Angular diameter: 2.2"
Status: near western quadrature

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

Right ascension: 16h30m57s
เดคลิเนชัน: -20°18'52"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Capricornus
Angular diameter: 11740.0"
Status: Moon illumination 74.5%

Observation tip: Moon illumination 74.5%; good for observing lunar surface detail

Right ascension: 19h27m29s
เดคลิเนชัน: -17°37'34"