August 1948 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

25 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

August 1948 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -1.7
กลุ่มดาว: Leo
Angular diameter: 4.9"
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: 09h53m02s
เดคลิเนชัน: +14°42'32"

Venus

Excellent
Apparent magnitude: -4.6
กลุ่มดาว: Cancer
Angular diameter: 29.9"
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: 06h33m21s
เดคลิเนชัน: +18°50'25"

Mars

Excellent
Apparent magnitude: 1.3
กลุ่มดาว: Libra
Angular diameter: 5.0"
Status: near western quadrature

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

Right ascension: 13h04m08s
เดคลิเนชัน: -06°51'16"

Jupiter

Excellent
Apparent magnitude: -2.4
กลุ่มดาว: Sagittarius
Angular diameter: 41.8"
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: 17h12m41s
เดคลิเนชัน: -22°43'27"

Saturn

Excellent
Apparent magnitude: 0.6
กลุ่มดาว: Leo
Angular diameter: 16.2"
Status: near western quadrature

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

Right ascension: 09h53m09s
เดคลิเนชัน: +14°08'02"

Uranus

Fair
Apparent magnitude: 5.7
กลุ่มดาว: Gemini
Angular diameter: 3.6"
Status: near eastern quadrature

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

Right ascension: 05h57m31s
เดคลิเนชัน: +23°37'06"

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: 12h42m45s
เดคลิเนชัน: -02°56'44"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Sagittarius
Angular diameter: 11730.1"
Status: Moon illumination 80.4%

Observation tip: Moon illumination 80.4%; good for observing lunar surface detail

Right ascension: 17h58m01s
เดคลิเนชัน: -27°21'44"