August 2007 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

26 sky events total, including 4 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 2007 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -2.0
กลุ่มดาว: Leo
Angular diameter: 5.0"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Right ascension: 09h35m36s
เดคลิเนชัน: +16°10'30"

Venus

Excellent
Apparent magnitude: -4.1
กลุ่มดาว: Leo
Angular diameter: 57.6"
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: 09h45m35s
เดคลิเนชัน: +05°24'26"

Mars

Excellent
Apparent magnitude: 0.4
กลุ่มดาว: Gemini
Angular diameter: 7.5"
Status: near eastern quadrature

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

Right ascension: 04h12m54s
เดคลิเนชัน: +20°07'56"

Jupiter

Excellent
Apparent magnitude: -2.3
กลุ่มดาว: Sagittarius
Angular diameter: 40.3"
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: 16h33m51s
เดคลิเนชัน: -21°28'30"

Saturn

Excellent
Apparent magnitude: 0.6
กลุ่มดาว: Virgo
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: 10h01m07s
เดคลิเนชัน: +13°29'15"

Uranus

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

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

Right ascension: 23h15m59s
เดคลิเนชัน: -05°36'27"

Neptune

Fair
Apparent magnitude: 7.7
กลุ่มดาว: Aquarius
Angular diameter: 2.4"
Status: near western quadrature

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

Right ascension: 21h32m21s
เดคลิเนชัน: -14°53'24"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Virgo
Angular diameter: 11748.8"
Status: Moon illumination 4.3%

Observation tip: Moon illumination 4.3%; good for observing lunar surface detail

Right ascension: 11h05m57s
เดคลิเนชัน: +04°55'32"