July 2015 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

20 sky events total, including 5 moon phases and 1 planetary events.

เหตุการณ์ท้องฟ้า

All times are in local time (Asia/Shanghai)

Group วันที่ Sunrise/Sunset Moonrise/Moonset Moon Phase ปรากฏการณ์ท้องฟ้า

Planetary outlook

July 2015 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -1.4
กลุ่มดาว: Cancer
Angular diameter: 5.4"
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: 06h52m21s
เดคลิเนชัน: +23°25'03"

Venus

Excellent
Apparent magnitude: -4.7
กลุ่มดาว: Virgo
Angular diameter: 40.2"
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: 10h01m37s
เดคลิเนชัน: +10°22'56"

Mars

Excellent
Apparent magnitude: 1.6
กลุ่มดาว: Cancer
Angular diameter: 3.6"
Status: near eastern quadrature

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

Right ascension: 06h59m40s
เดคลิเนชัน: +23°34'53"

Jupiter

Excellent
Apparent magnitude: -1.8
กลุ่มดาว: Leo
Angular diameter: 31.7"
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: 09h47m27s
เดคลิเนชัน: +14°14'17"

Saturn

Excellent
Apparent magnitude: 0.3
กลุ่มดาว: Scorpius
Angular diameter: 17.8"
Status: near western quadrature

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

Right ascension: 15h47m08s
เดคลิเนชัน: -17°49'55"

Uranus

Fair
Apparent magnitude: 5.9
กลุ่มดาว: Aries
Angular diameter: 3.5"
Status: near eastern quadrature

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

Right ascension: 01h16m31s
เดคลิเนชัน: +07°23'18"

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: 22h45m38s
เดคลิเนชัน: -08°43'47"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Cancer
Angular diameter: 11958.7"
Status: Moon illumination 1.4%

Observation tip: Moon illumination 1.4%; good for observing lunar surface detail

Right ascension: 06h40m28s
เดคลิเนชัน: +18°05'21"