August 2002 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

25 sky events total, including 5 moon phases and 4 planetary events.

เหตุการณ์ท้องฟ้า

All times are in local time (Asia/Shanghai)

Group วันที่ Sunrise/Sunset Moonrise/Moonset Moon Phase ปรากฏการณ์ท้องฟ้า

Planetary outlook

August 2002 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.1
กลุ่มดาว: Virgo
Angular diameter: 5.7"
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: 11h01m20s
เดคลิเนชัน: +06°34'35"

Venus

Excellent
Apparent magnitude: -4.3
กลุ่มดาว: Libra
Angular diameter: 22.4"
Status: near greatest western 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: 12h27m04s
เดคลิเนชัน: -04°03'17"

Mars

Excellent
Apparent magnitude: 1.6
กลุ่มดาว: Leo
Angular diameter: 3.5"
Status: near eastern quadrature

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

Right ascension: 09h33m53s
เดคลิเนชัน: +15°40'55"

Jupiter

Excellent
Apparent magnitude: -1.8
กลุ่มดาว: Leo
Angular diameter: 31.8"
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: 08h21m09s
เดคลิเนชัน: +19°51'15"

Saturn

Excellent
Apparent magnitude: 0.1
กลุ่มดาว: Gemini
Angular diameter: 17.4"
Status: near eastern quadrature

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

Right ascension: 05h43m49s
เดคลิเนชัน: +22°07'04"

Uranus

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

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

Right ascension: 21h58m09s
เดคลิเนชัน: -13°13'23"

Neptune

Fair
Apparent magnitude: 7.7
กลุ่มดาว: Aquarius
Angular diameter: 2.3"
Status: near western quadrature

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

Right ascension: 20h46m36s
เดคลิเนชัน: -17°52'43"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Scorpius
Angular diameter: 12507.7"
Status: Moon illumination 45.3%

Observation tip: Moon illumination 45.3%; good for observing lunar surface detail

Right ascension: 14h59m03s
เดคลิเนชัน: -14°24'47"