June 2017 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

June 2017 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -1.5
กลุ่มดาว: Gemini
Angular diameter: 5.2"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Right ascension: 04h59m27s
เดคลิเนชัน: +22°43'32"

Venus

Excellent
Apparent magnitude: -4.3
กลุ่มดาว: Taurus
Angular diameter: 21.1"
Status: near inferior 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: 02h28m46s
เดคลิเนชัน: +11°53'31"

Mars

Excellent
Apparent magnitude: 1.7
กลุ่มดาว: Cancer
Angular diameter: 3.6"
Status: near western quadrature

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

Right ascension: 06h29m59s
เดคลิเนชัน: +24°12'05"

Jupiter

Excellent
Apparent magnitude: -2.1
กลุ่มดาว: Libra
Angular diameter: 39.2"
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: 12h50m56s
เดคลิเนชัน: -03°57'54"

Saturn

Excellent
Apparent magnitude: -0.1
กลุ่มดาว: Sagittarius
Angular diameter: 18.4"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Saturn’s rings require a telescope to see clearly

Right ascension: 17h36m26s
เดคลิเนชัน: -21°58'10"

Uranus

Fair
Apparent magnitude: 5.9
กลุ่มดาว: Aries
Angular diameter: 3.4"
Status: near eastern quadrature

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

Right ascension: 01h43m13s
เดคลิเนชัน: +10°04'43"

Neptune

Fair
Apparent magnitude: 7.8
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: 23h03m25s
เดคลิเนชัน: -07°01'21"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Aquarius
Angular diameter: 11814.9"
Status: Moon illumination 74.7%

Observation tip: Moon illumination 74.7%; good for observing lunar surface detail

Right ascension: 21h47m32s
เดคลิเนชัน: -13°11'28"