August 2001 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

23 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 2001 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -1.0
กลุ่มดาว: Virgo
Angular diameter: 5.0"
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: 10h16m18s
เดคลิเนชัน: +12°24'27"

Venus

Excellent
Apparent magnitude: -4.0
กลุ่มดาว: Cancer
Angular diameter: 13.8"
Status: near inferior 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: 07h07m23s
เดคลิเนชัน: +21°34'59"

Mars

Excellent
Apparent magnitude: -1.2
กลุ่มดาว: Sagittarius
Angular diameter: 15.2"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Right ascension: 17h13m03s
เดคลิเนชัน: -26°58'53"

Jupiter

Excellent
Apparent magnitude: -2.0
กลุ่มดาว: Cancer
Angular diameter: 34.1"
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: 06h29m59s
เดคลิเนชัน: +23°01'30"

Saturn

Excellent
Apparent magnitude: 0.1
กลุ่มดาว: Gemini
Angular diameter: 17.7"
Status: near eastern quadrature

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

Right ascension: 04h48m42s
เดคลิเนชัน: +20°40'43"

Uranus

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

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

Right ascension: 21h41m56s
เดคลิเนชัน: -14°36'19"

Neptune

Fair
Apparent magnitude: 7.7
กลุ่มดาว: Aquarius
Angular diameter: 2.3"
Status: near western quadrature

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

Right ascension: 20h37m18s
เดคลิเนชัน: -18°23'50"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Gemini
Angular diameter: 12502.2"
Status: Moon illumination 22.8%

Observation tip: Moon illumination 22.8%; good for observing lunar surface detail

Right ascension: 05h39m59s
เดคลิเนชัน: +22°27'35"