February 1918 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

20 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

February 1918 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.3
กลุ่มดาว: Aquarius
Angular diameter: 5.3"
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: 20h38m19s
เดคลิเนชัน: -20°03'21"

Venus

Excellent
Apparent magnitude: -4.1
กลุ่มดาว: Aquarius
Angular diameter: 60.3"
Status: near greatest eastern 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: 21h09m41s
เดคลิเนชัน: -07°32'13"

Mars

Excellent
Apparent magnitude: -0.7
กลุ่มดาว: Libra
Angular diameter: 12.2"
Status: near eastern quadrature

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

Right ascension: 12h14m17s
เดคลิเนชัน: +02°30'14"

Jupiter

Excellent
Apparent magnitude: -2.4
กลุ่มดาว: Gemini
Angular diameter: 40.6"
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: 04h00m33s
เดคลิเนชัน: +19°59'53"

Saturn

Excellent
Apparent magnitude: -0.1
กลุ่มดาว: Leo
Angular diameter: 20.3"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Saturn’s rings require a telescope to see clearly

Right ascension: 08h50m37s
เดคลิเนชัน: +18°36'57"

Uranus

Fair
Apparent magnitude: 6.0
กลุ่มดาว: Aquarius
Angular diameter: 3.4"
Status: near eastern quadrature

Observation tip: A telescope is required; Binoculars or a telescope are recommended

Right ascension: 21h45m26s
เดคลิเนชัน: -14°14'42"

Neptune

Fair
Apparent magnitude: 7.8
กลุ่มดาว: Leo
Angular diameter: 2.3"
Status: near western quadrature

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

Right ascension: 08h30m00s
เดคลิเนชัน: +18°49'24"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Aries
Angular diameter: 12776.5"
Status: Moon illumination 18.2%

Observation tip: Moon illumination 18.2%; good for observing lunar surface detail

Right ascension: 00h50m29s
เดคลิเนชัน: +10°44'00"