July 1983 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

20 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 1983 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -1.6
กลุ่มดาว: Leo
Angular diameter: 5.1"
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: 08h02m46s
เดคลิเนชัน: +22°15'33"

Venus

Excellent
Apparent magnitude: -4.7
กลุ่มดาว: Virgo
Angular diameter: 34.8"
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: 10h18m40s
เดคลิเนชัน: +09°34'38"

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: 06h46m04s
เดคลิเนชัน: +23°48'36"

Jupiter

Excellent
Apparent magnitude: -2.4
กลุ่มดาว: Scorpius
Angular diameter: 42.5"
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: 15h57m40s
เดคลิเนชัน: -19°41'29"

Saturn

Excellent
Apparent magnitude: 0.6
กลุ่มดาว: Libra
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: 13h47m07s
เดคลิเนชัน: -08°23'45"

Uranus

Fair
Apparent magnitude: 5.5
กลุ่มดาว: Sagittarius
Angular diameter: 3.9"
Status: near western quadrature

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

Right ascension: 16h14m10s
เดคลิเนชัน: -21°07'34"

Neptune

Fair
Apparent magnitude: 7.8
กลุ่มดาว: Sagittarius
Angular diameter: 2.3"
Status: near western quadrature

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

Right ascension: 17h47m54s
เดคลิเนชัน: -22°09'07"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Virgo
Angular diameter: 12620.4"
Status: Moon illumination 27.2%

Observation tip: Moon illumination 27.2%; good for observing lunar surface detail

Right ascension: 11h48m21s
เดคลิเนชัน: +06°57'36"