July 2023 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

23 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 2023 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.7
กลุ่มดาว: Leo
Angular diameter: 5.4"
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: 08h40m44s
เดคลิเนชัน: +20°08'52"

Venus

Excellent
Apparent magnitude: -4.7
กลุ่มดาว: Leo
Angular diameter: 41.8"
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: 09h55m55s
เดคลิเนชัน: +10°40'23"

Mars

Excellent
Apparent magnitude: 1.8
กลุ่มดาว: Virgo
Angular diameter: 4.1"
Status: near western quadrature

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

Right ascension: 10h20m24s
เดคลิเนชัน: +11°29'43"

Jupiter

Excellent
Apparent magnitude: -2.3
กลุ่มดาว: Taurus
Angular diameter: 37.9"
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: 02h37m52s
เดคลิเนชัน: +14°10'39"

Saturn

Excellent
Apparent magnitude: 0.7
กลุ่มดาว: Pisces
Angular diameter: 18.4"
Status: near eastern quadrature

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

Right ascension: 22h35m58s
เดคลิเนชัน: -10°38'36"

Uranus

Fair
Apparent magnitude: 5.8
กลุ่มดาว: Taurus
Angular diameter: 3.5"
Status: near eastern quadrature

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

Right ascension: 03h19m42s
เดคลิเนชัน: +18°01'49"

Neptune

Fair
Apparent magnitude: 7.7
กลุ่มดาว: Pisces
Angular diameter: 2.3"
Status: near eastern quadrature

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

Right ascension: 23h53m17s
เดคลิเนชัน: -02°04'51"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Gemini
Angular diameter: 11717.0"
Status: Moon illumination 7.3%

Observation tip: Moon illumination 7.3%; good for observing lunar surface detail

Right ascension: 05h20m21s
เดคลิเนชัน: +27°00'36"