May 1918 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

17 sky events total, including 4 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

May 1918 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: 1.3
กลุ่มดาว: Taurus
Angular diameter: 10.0"
Status: near greatest eastern elongation

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Right ascension: 02h00m32s
เดคลิเนชัน: +09°01'35"

Venus

Excellent
Apparent magnitude: -4.2
กลุ่มดาว: Aries
Angular diameter: 19.1"
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: 00h34m31s
เดคลิเนชัน: +01°57'21"

Mars

Excellent
Apparent magnitude: -0.1
กลุ่มดาว: Virgo
Angular diameter: 10.1"
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: 11h10m41s
เดคลิเนชัน: +06°54'37"

Jupiter

Excellent
Apparent magnitude: -2.0
กลุ่มดาว: Gemini
Angular diameter: 32.8"
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: 05h01m35s
เดคลิเนชัน: +22°24'53"

Saturn

Excellent
Apparent magnitude: 0.4
กลุ่มดาว: Leo
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: 08h45m36s
เดคลิเนชัน: +18°57'49"

Uranus

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

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

Right ascension: 22h00m06s
เดคลิเนชัน: -13°00'12"

Neptune

Fair
Apparent magnitude: 7.9
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: 08h27m23s
เดคลิเนชัน: +18°59'58"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Cancer
Angular diameter: 12020.7"
Status: Moon illumination 23.1%

Observation tip: Moon illumination 23.1%; good for observing lunar surface detail

Right ascension: 07h27m50s
เดคลิเนชัน: +19°24'52"