May 1978 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 1978 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: 0.3
กลุ่มดาว: Aries
Angular diameter: 7.3"
Status: near inferior conjunction

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

Right ascension: 01h49m45s
เดคลิเนชัน: +07°55'32"

Venus

Excellent
Apparent magnitude: -3.9
กลุ่มดาว: Gemini
Angular diameter: 11.6"
Status: near greatest western 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: 05h22m28s
เดคลิเนชัน: +24°22'35"

Mars

Excellent
Apparent magnitude: 1.0
กลุ่มดาว: Leo
Angular diameter: 6.3"
Status: near western quadrature

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

Right ascension: 09h09m44s
เดคลิเนชัน: +18°10'15"

Jupiter

Excellent
Apparent magnitude: -1.9
กลุ่มดาว: Cancer
Angular diameter: 33.4"
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: 06h24m39s
เดคลิเนชัน: +23°22'36"

Saturn

Excellent
Apparent magnitude: 0.5
กลุ่มดาว: Leo
Angular diameter: 18.1"
Status: near western quadrature

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

Right ascension: 09h47m15s
เดคลิเนชัน: +14°56'21"

Uranus

Fair
Apparent magnitude: 5.4
กลุ่มดาว: Scorpius
Angular diameter: 4.0"
Status: near western quadrature

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

Right ascension: 14h46m34s
เดคลิเนชัน: -15°39'05"

Neptune

Fair
Apparent magnitude: 7.9
กลุ่มดาว: Sagittarius
Angular diameter: 2.3"
Status: near eastern quadrature

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

Right ascension: 17h06m34s
เดคลิเนชัน: -21°22'19"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Leo
Angular diameter: 11616.3"
Status: Moon illumination 47.0%

Observation tip: Moon illumination 47.0%; good for observing lunar surface detail

Right ascension: 09h26m02s
เดคลิเนชัน: +11°18'54"