July 1954 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

23 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

July 1954 mid-month observing conditions

Mercury

Good
Apparent magnitude: 2.7
กลุ่มดาว: Cancer
Angular diameter: 10.5"
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: 06h40m01s
เดคลิเนชัน: +18°32'10"

Venus

Excellent
Apparent magnitude: -4.0
กลุ่มดาว: Virgo
Angular diameter: 15.3"
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: 10h17m39s
เดคลิเนชัน: +12°09'17"

Mars

Excellent
Apparent magnitude: -2.2
กลุ่มดาว: Sagittarius
Angular diameter: 21.3"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Right ascension: 17h46m40s
เดคลิเนชัน: -28°21'19"

Jupiter

Excellent
Apparent magnitude: -1.9
กลุ่มดาว: Cancer
Angular diameter: 32.0"
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: 06h50m27s
เดคลิเนชัน: +22°55'50"

Saturn

Excellent
Apparent magnitude: 0.6
กลุ่มดาว: Scorpius
Angular diameter: 17.3"
Status: near western quadrature

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

Right ascension: 14h05m25s
เดคลิเนชัน: -10°05'58"

Uranus

Fair
Apparent magnitude: 5.7
กลุ่มดาว: Cancer
Angular diameter: 3.6"
Status: near western quadrature

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

Right ascension: 07h40m47s
เดคลิเนชัน: +21°53'56"

Neptune

Fair
Apparent magnitude: nan
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: 13h28m49s
เดคลิเนชัน: -07°28'19"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Capricornus
Angular diameter: 11948.7"
Status: Moon illumination 98.9%

Observation tip: Moon illumination 98.9%; good for observing lunar surface detail

Right ascension: 18h42m28s
เดคลิเนชัน: -23°33'19"