July 1918 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

18 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 1918 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.5
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: 08h52m31s
เดคลิเนชัน: +19°11'56"

Venus

Excellent
Apparent magnitude: -3.9
กลุ่มดาว: Gemini
Angular diameter: 12.7"
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: 05h10m02s
เดคลิเนชัน: +21°33'07"

Mars

Excellent
Apparent magnitude: 0.7
กลุ่มดาว: Libra
Angular diameter: 6.8"
Status: near western quadrature

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

Right ascension: 12h39m03s
เดคลิเนชัน: -04°17'02"

Jupiter

Excellent
Apparent magnitude: -1.9
กลุ่มดาว: Cancer
Angular diameter: 32.6"
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: 06h01m41s
เดคลิเนชัน: +23°11'36"

Saturn

Excellent
Apparent magnitude: 0.5
กลุ่มดาว: Leo
Angular diameter: 16.5"
Status: near western quadrature

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

Right ascension: 09h09m23s
เดคลิเนชัน: +17°20'33"

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: 21h58m04s
เดคลิเนชัน: -13°13'25"

Neptune

Fair
Apparent magnitude: 8.0
กลุ่มดาว: Leo
Angular diameter: 2.2"
Status: near western quadrature

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

Right ascension: 08h34m23s
เดคลิเนชัน: +18°35'53"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Libra
Angular diameter: 11504.8"
Status: Moon illumination 38.2%

Observation tip: Moon illumination 38.2%; good for observing lunar surface detail

Right ascension: 12h20m53s
เดคลิเนชัน: -07°43'15"