May 1955 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

19 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

May 1955 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.2
กลุ่มดาว: Gemini
Angular diameter: 6.9"
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: 04h49m40s
เดคลิเนชัน: +24°52'58"

Venus

Excellent
Apparent magnitude: -3.9
กลุ่มดาว: Aries
Angular diameter: 11.7"
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: 01h33m17s
เดคลิเนชัน: +07°53'00"

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: 05h28m09s
เดคลิเนชัน: +24°12'35"

Jupiter

Excellent
Apparent magnitude: -2.0
กลุ่มดาว: Cancer
Angular diameter: 34.6"
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: 07h47m42s
เดคลิเนชัน: +21°39'07"

Saturn

Excellent
Apparent magnitude: 0.1
กลุ่มดาว: Scorpius
Angular diameter: 18.7"
Status: near western quadrature

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

Right ascension: 15h02m51s
เดคลิเนชัน: -14°37'42"

Uranus

Fair
Apparent magnitude: 5.6
กลุ่มดาว: Cancer
Angular diameter: 3.7"
Status: near western quadrature

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

Right ascension: 07h45m41s
เดคลิเนชัน: +21°45'01"

Neptune

Fair
Apparent magnitude: 7.9
กลุ่มดาว: Libra
Angular diameter: 2.3"
Status: near western quadrature

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

Right ascension: 13h39m38s
เดคลิเนชัน: -08°27'06"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Aquarius
Angular diameter: 11934.7"
Status: Moon illumination 50.9%

Observation tip: Moon illumination 50.9%; good for observing lunar surface detail

Right ascension: 21h33m58s
เดคลิเนชัน: -09°54'32"