August 1988 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

19 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 1988 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.9
กลุ่มดาว: Virgo
Angular diameter: 5.1"
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: 10h26m22s
เดคลิเนชัน: +11°17'24"

Venus

Excellent
Apparent magnitude: -4.5
กลุ่มดาว: Cancer
Angular diameter: 25.7"
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: 06h29m06s
เดคลิเนชัน: +19°36'25"

Mars

Excellent
Apparent magnitude: -1.9
กลุ่มดาว: Aries
Angular diameter: 19.4"
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: 00h46m38s
เดคลิเนชัน: -00°28'03"

Jupiter

Excellent
Apparent magnitude: -2.3
กลุ่มดาว: Gemini
Angular diameter: 38.7"
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: 04h06m52s
เดคลิเนชัน: +19°55'36"

Saturn

Excellent
Apparent magnitude: 0.3
กลุ่มดาว: Sagittarius
Angular diameter: 17.6"
Status: near western quadrature

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

Right ascension: 17h43m12s
เดคลิเนชัน: -22°22'07"

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: 17h47m55s
เดคลิเนชัน: -23°37'49"

Neptune

Fair
Apparent magnitude: 7.8
กลุ่มดาว: Capricornus
Angular diameter: 2.3"
Status: near western quadrature

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

Right ascension: 18h33m26s
เดคลิเนชัน: -22°14'29"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Virgo
Angular diameter: 11452.7"
Status: Moon illumination 5.4%

Observation tip: Moon illumination 5.4%; good for observing lunar surface detail

Right ascension: 11h19m47s
เดคลิเนชัน: +03°48'35"