January 1918 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

22 sky events total, including 4 moon phases and 3 planetary events.

เหตุการณ์ท้องฟ้า

All times are in local time (Asia/Shanghai)

Group วันที่ Sunrise/Sunset Moonrise/Moonset Moon Phase ปรากฏการณ์ท้องฟ้า

Planetary outlook

January 1918 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: 0.3
กลุ่มดาว: Capricornus
Angular diameter: 8.4"
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: 18h14m56s
เดคลิเนชัน: -20°32'13"

Venus

Excellent
Apparent magnitude: -4.9
กลุ่มดาว: Aquarius
Angular diameter: 47.4"
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: 21h56m49s
เดคลิเนชัน: -09°43'24"

Mars

Excellent
Apparent magnitude: 0.1
กลุ่มดาว: Libra
Angular diameter: 9.3"
Status: near eastern quadrature

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

Right ascension: 12h07m50s
เดคลิเนชัน: +02°25'59"

Jupiter

Excellent
Apparent magnitude: -2.6
กลุ่มดาว: Taurus
Angular diameter: 44.8"
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: 03h58m58s
เดคลิเนชัน: +19°47'39"

Saturn

Excellent
Apparent magnitude: -0.0
กลุ่มดาว: Leo
Angular diameter: 20.3"
Status: near eastern quadrature

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

Right ascension: 09h00m35s
เดคลิเนชัน: +17°52'48"

Uranus

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

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

Right ascension: 21h38m38s
เดคลิเนชัน: -14°49'09"

Neptune

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

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

Right ascension: 08h33m30s
เดคลิเนชัน: +18°36'27"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Aquarius
Angular diameter: 12797.7"
Status: Moon illumination 6.0%

Observation tip: Moon illumination 6.0%; good for observing lunar surface detail

Right ascension: 21h32m26s
เดคลิเนชัน: -10°19'02"