July 1951 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

26 sky events total, including 4 moon phases and 1 planetary events.

เหตุการณ์ท้องฟ้า

All times are in local time (Asia/Shanghai)

Group วันที่ Sunrise/Sunset Moonrise/Moonset Moon Phase ปรากฏการณ์ท้องฟ้า

Planetary outlook

July 1951 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.4
กลุ่มดาว: Leo
Angular diameter: 5.8"
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: 08h57m23s
เดคลิเนชัน: +18°46'40"

Venus

Excellent
Apparent magnitude: -4.6
กลุ่มดาว: Virgo
Angular diameter: 30.4"
Status: near superior 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: 10h28m33s
เดคลิเนชัน: +09°13'57"

Mars

Excellent
Apparent magnitude: 1.6
กลุ่มดาว: Cancer
Angular diameter: 3.7"
Status: near eastern quadrature

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

Right ascension: 06h32m23s
เดคลิเนชัน: +23°57'39"

Jupiter

Excellent
Apparent magnitude: -2.5
กลุ่มดาว: Aries
Angular diameter: 41.9"
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: 00h51m50s
เดคลิเนชัน: +04°04'45"

Saturn

Excellent
Apparent magnitude: 1.0
กลุ่มดาว: Virgo
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: 11h53m47s
เดคลิเนชัน: +03°07'18"

Uranus

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

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

Right ascension: 06h45m32s
เดคลิเนชัน: +23°21'29"

Neptune

Fair
Apparent magnitude: nan
กลุ่มดาว: Libra
Angular diameter: 2.2"
Status: near western quadrature

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

Right ascension: 13h04m32s
เดคลิเนชัน: -05°06'08"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Scorpius
Angular diameter: 12729.7"
Status: Moon illumination 79.7%

Observation tip: Moon illumination 79.7%; good for observing lunar surface detail

Right ascension: 15h38m40s
เดคลิเนชัน: -24°37'07"