July 2010 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

18 sky events total, including 4 moon phases and 0 planetary events.

เหตุการณ์ท้องฟ้า

All times are in local time (Asia/Shanghai)

Group วันที่ Sunrise/Sunset Moonrise/Moonset Moon Phase ปรากฏการณ์ท้องฟ้า

Planetary outlook

July 2010 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.6
กลุ่มดาว: Leo
Angular diameter: 5.6"
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: 08h51m01s
เดคลิเนชัน: +19°22'15"

Venus

Excellent
Apparent magnitude: -4.1
กลุ่มดาว: Virgo
Angular diameter: 17.2"
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: 10h29m25s
เดคลิเนชัน: +10°49'18"

Mars

Excellent
Apparent magnitude: 1.4
กลุ่มดาว: Virgo
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: 11h28m06s
เดคลิเนชัน: +04°11'48"

Jupiter

Excellent
Apparent magnitude: -2.6
กลุ่มดาว: Aries
Angular diameter: 43.4"
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: 00h14m12s
เดคลิเนชัน: +00°03'52"

Saturn

Excellent
Apparent magnitude: 1.0
กลุ่มดาว: Libra
Angular diameter: 16.8"
Status: near western quadrature

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

Right ascension: 12h01m47s
เดคลิเนชัน: +02°17'02"

Uranus

Fair
Apparent magnitude: 5.9
กลุ่มดาว: Aries
Angular diameter: 3.6"
Status: near eastern quadrature

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

Right ascension: 00h03m15s
เดคลิเนชัน: -00°28'49"

Neptune

Fair
Apparent magnitude: 7.7
กลุ่มดาว: Pisces
Angular diameter: 2.3"
Status: near eastern quadrature

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

Right ascension: 22h02m10s
เดคลิเนชัน: -12°32'30"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Virgo
Angular diameter: 12820.0"
Status: Moon illumination 14.3%

Observation tip: Moon illumination 14.3%; good for observing lunar surface detail

Right ascension: 10h27m07s
เดคลิเนชัน: +05°04'04"