August 1957 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

August 1957 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: 0.4
กลุ่มดาว: Virgo
Angular diameter: 7.6"
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: 11h17m04s
เดคลิเนชัน: +02°22'01"

Venus

Excellent
Apparent magnitude: -3.9
กลุ่มดาว: Virgo
Angular diameter: 12.4"
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: 11h39m28s
เดคลิเนชัน: +03°20'37"

Mars

Excellent
Apparent magnitude: 1.8
กลุ่มดาว: Virgo
Angular diameter: 3.5"
Status: near western quadrature

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

Right ascension: 10h26m15s
เดคลิเนชัน: +10°56'34"

Jupiter

Excellent
Apparent magnitude: -1.7
กลุ่มดาว: Libra
Angular diameter: 31.8"
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: 12h07m09s
เดคลิเนชัน: +00°28'37"

Saturn

Excellent
Apparent magnitude: 0.4
กลุ่มดาว: Sagittarius
Angular diameter: 17.1"
Status: near western quadrature

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

Right ascension: 16h24m45s
เดคลิเนชัน: -19°57'48"

Uranus

Fair
Apparent magnitude: 5.6
กลุ่มดาว: Leo
Angular diameter: 3.6"
Status: near eastern quadrature

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

Right ascension: 08h43m13s
เดคลิเนชัน: +18°47'00"

Neptune

Fair
Apparent magnitude: 8.0
กลุ่มดาว: Libra
Angular diameter: 2.2"
Status: near western quadrature

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

Right ascension: 13h54m37s
เดคลิเนชัน: -09°54'05"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Aries
Angular diameter: 11523.6"
Status: Moon illumination 83.1%

Observation tip: Moon illumination 83.1%; good for observing lunar surface detail

Right ascension: 00h34m13s
เดคลิเนชัน: +06°43'15"