May 1973 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

21 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 1973 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -1.6
กลุ่มดาว: Taurus
Angular diameter: 5.1"
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: 03h01m25s
เดคลิเนชัน: +16°30'21"

Venus

Excellent
Apparent magnitude: -3.9
กลุ่มดาว: Gemini
Angular diameter: 9.8"
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: 04h04m50s
เดคลิเนชัน: +20°48'11"

Mars

Excellent
Apparent magnitude: 0.3
กลุ่มดาว: Pisces
Angular diameter: 7.8"
Status: near eastern quadrature

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

Right ascension: 22h29m26s
เดคลิเนชัน: -11°31'45"

Jupiter

Excellent
Apparent magnitude: -2.4
กลุ่มดาว: Aquarius
Angular diameter: 41.0"
Status: near eastern 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: 20h57m19s
เดคลิเนชัน: -17°44'16"

Saturn

Excellent
Apparent magnitude: 0.1
กลุ่มดาว: Gemini
Angular diameter: 16.8"
Status: near western quadrature

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

Right ascension: 05h17m21s
เดคลิเนชัน: +21°55'42"

Uranus

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

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

Right ascension: 13h13m40s
เดคลิเนชัน: -07°06'31"

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: 16h19m22s
เดคลิเนชัน: -19°44'19"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Libra
Angular diameter: 11654.3"
Status: Moon illumination 95.3%

Observation tip: Moon illumination 95.3%; good for observing lunar surface detail

Right ascension: 13h42m20s
เดคลิเนชัน: -15°45'07"