July 2031 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

22 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 2031 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: 0.5
กลุ่มดาว: Leo
Angular diameter: 7.9"
Status: near greatest western elongation

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

Right ascension: 09h24m44s
เดคลิเนชัน: +14°40'33"

Venus

Excellent
Apparent magnitude: -4.7
กลุ่มดาว: Leo
Angular diameter: 43.3"
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: 09h49m30s
เดคลิเนชัน: +10°59'56"

Mars

Excellent
Apparent magnitude: -0.5
กลุ่มดาว: Scorpius
Angular diameter: 11.7"
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: 14h29m17s
เดคลิเนชัน: -16°35'57"

Jupiter

Excellent
Apparent magnitude: -2.6
กลุ่มดาว: Sagittarius
Angular diameter: 45.0"
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: 17h19m36s
เดคลิเนชัน: -22°43'14"

Saturn

Excellent
Apparent magnitude: 0.1
กลุ่มดาว: Gemini
Angular diameter: 16.9"
Status: near eastern quadrature

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

Right ascension: 05h06m45s
เดคลิเนชัน: +21°23'48"

Uranus

Fair
Apparent magnitude: 5.7
กลุ่มดาว: Gemini
Angular diameter: 3.5"
Status: near eastern quadrature

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

Right ascension: 05h37m16s
เดคลิเนชัน: +23°26'56"

Neptune

Fair
Apparent magnitude: 7.8
กลุ่มดาว: Aries
Angular diameter: 2.3"
Status: near eastern quadrature

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

Right ascension: 00h59m58s
เดคลิเนชัน: +04°42'24"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Gemini
Angular diameter: 11588.1"
Status: Moon illumination 17.8%

Observation tip: Moon illumination 17.8%; good for observing lunar surface detail

Right ascension: 04h02m15s
เดคลิเนชัน: +20°09'35"