August 1903 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

18 sky events total, including 4 moon phases and 0 planetary events.

เหตุการณ์ท้องฟ้า

All times are in local time (Asia/Shanghai)

Group วันที่ Sunrise/Sunset Moonrise/Moonset Moon Phase ปรากฏการณ์ท้องฟ้า

Planetary outlook

August 1903 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.4
กลุ่มดาว: Virgo
Angular diameter: 5.4"
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: 10h43m46s
เดคลิเนชัน: +08°59'09"

Venus

Excellent
Apparent magnitude: -4.8
กลุ่มดาว: Virgo
Angular diameter: 39.4"
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: 11h49m26s
เดคลิเนชัน: -03°18'26"

Mars

Excellent
Apparent magnitude: 0.7
กลุ่มดาว: Scorpius
Angular diameter: 6.7"
Status: near western quadrature

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

Right ascension: 14h09m24s
เดคลิเนชัน: -14°01'08"

Jupiter

Excellent
Apparent magnitude: -2.8
กลุ่มดาว: Pisces
Angular diameter: 48.3"
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: 23h31m51s
เดคลิเนชัน: -04°37'58"

Saturn

Excellent
Apparent magnitude: 0.3
กลุ่มดาว: Aquarius
Angular diameter: 18.5"
Status: near western quadrature

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

Right ascension: 20h29m28s
เดคลิเนชัน: -19°41'26"

Uranus

Fair
Apparent magnitude: 5.6
กลุ่มดาว: Sagittarius
Angular diameter: 3.8"
Status: near western quadrature

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

Right ascension: 17h24m03s
เดคลิเนชัน: -23°20'27"

Neptune

Fair
Apparent magnitude: 7.9
กลุ่มดาว: Cancer
Angular diameter: 2.2"
Status: near eastern quadrature

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

Right ascension: 06h22m06s
เดคลิเนชัน: +22°18'17"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Taurus
Angular diameter: 12064.6"
Status: Moon illumination 63.0%

Observation tip: Moon illumination 63.0%; good for observing lunar surface detail

Right ascension: 02h18m01s
เดคลิเนชัน: +11°12'52"