July 1928 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

22 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

July 1928 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: 1.2
กลุ่มดาว: Cancer
Angular diameter: 9.2"
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: 06h17m09s
เดคลิเนชัน: +19°40'00"

Venus

Excellent
Apparent magnitude: -3.9
กลุ่มดาว: Cancer
Angular diameter: 9.6"
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: 07h52m30s
เดคลิเนชัน: +21°57'04"

Mars

Excellent
Apparent magnitude: 0.6
กลุ่มดาว: Taurus
Angular diameter: 6.8"
Status: near eastern quadrature

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

Right ascension: 02h44m37s
เดคลิเนชัน: +14°27'40"

Jupiter

Excellent
Apparent magnitude: -2.3
กลุ่มดาว: Taurus
Angular diameter: 38.5"
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: 02h20m38s
เดคลิเนชัน: +12°44'13"

Saturn

Excellent
Apparent magnitude: 0.2
กลุ่มดาว: Sagittarius
Angular diameter: 18.0"
Status: near western quadrature

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

Right ascension: 16h48m34s
เดคลิเนชัน: -20°49'38"

Uranus

Fair
Apparent magnitude: 5.9
กลุ่มดาว: Aries
Angular diameter: 3.6"
Status: near eastern quadrature

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

Right ascension: 00h28m18s
เดคลิเนชัน: +02°15'45"

Neptune

Fair
Apparent magnitude: 8.0
กลุ่มดาว: Leo
Angular diameter: 2.2"
Status: near western quadrature

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

Right ascension: 09h59m47s
เดคลิเนชัน: +12°48'57"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Gemini
Angular diameter: 12769.3"
Status: Moon illumination 6.6%

Observation tip: Moon illumination 6.6%; good for observing lunar surface detail

Right ascension: 05h27m00s
เดคลิเนชัน: +24°27'16"