May 1923 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

21 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

May 1923 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: 1.7
กลุ่มดาว: Gemini
Angular diameter: 10.1"
Status: near superior conjunction

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

Right ascension: 04h35m05s
เดคลิเนชัน: +23°44'25"

Venus

Excellent
Apparent magnitude: -3.9
กลุ่มดาว: Aries
Angular diameter: 12.2"
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: 01h24m12s
เดคลิเนชัน: +06°56'40"

Mars

Excellent
Apparent magnitude: 1.7
กลุ่มดาว: Gemini
Angular diameter: 3.9"
Status: near western quadrature

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

Right ascension: 05h13m54s
เดคลิเนชัน: +23°54'35"

Jupiter

Excellent
Apparent magnitude: -2.5
กลุ่มดาว: Scorpius
Angular diameter: 44.6"
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: 14h43m23s
เดคลิเนชัน: -14°27'35"

Saturn

Excellent
Apparent magnitude: 0.5
กลุ่มดาว: Libra
Angular diameter: 18.8"
Status: near western quadrature

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

Right ascension: 12h56m34s
เดคลิเนชัน: -03°07'03"

Uranus

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

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

Right ascension: 23h13m09s
เดคลิเนชัน: -05°51'13"

Neptune

Fair
Apparent magnitude: 7.9
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: 09h11m59s
เดคลิเนชัน: +16°23'31"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Taurus
Angular diameter: 11489.4"
Status: Moon illumination 1.0%

Observation tip: Moon illumination 1.0%; good for observing lunar surface detail

Right ascension: 02h46m18s
เดคลิเนชัน: +11°45'25"