October 2018 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

20 sky events total, including 4 moon phases and 2 planetary events.

เหตุการณ์ท้องฟ้า

All times are in local time (Asia/Shanghai)

Group วันที่ Sunrise/Sunset Moonrise/Moonset Moon Phase ปรากฏการณ์ท้องฟ้า

Planetary outlook

October 2018 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.4
กลุ่มดาว: Scorpius
Angular diameter: 5.0"
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: 14h19m30s
เดคลิเนชัน: -15°01'38"

Venus

Excellent
Apparent magnitude: -4.4
กลุ่มดาว: Scorpius
Angular diameter: 56.7"
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: 14h16m56s
เดคลิเนชัน: -21°34'19"

Mars

Excellent
Apparent magnitude: -1.0
กลุ่มดาว: Aquarius
Angular diameter: 13.9"
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: 21h02m07s
เดคลิเนชัน: -20°08'39"

Jupiter

Excellent
Apparent magnitude: -1.8
กลุ่มดาว: Scorpius
Angular diameter: 31.9"
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: 15h30m32s
เดคลิเนชัน: -18°15'30"

Saturn

Excellent
Apparent magnitude: 0.5
กลุ่มดาว: Capricornus
Angular diameter: 16.1"
Status: near western quadrature

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

Right ascension: 18h16m10s
เดคลิเนชัน: -22°46'11"

Uranus

Fair
Apparent magnitude: 5.7
กลุ่มดาว: Aries
Angular diameter: 3.7"
Status: near eastern quadrature

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

Right ascension: 01h55m58s
เดคลิเนชัน: +11°16'05"

Neptune

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

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

Right ascension: 23h03m07s
เดคลิเนชัน: -07°09'36"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Capricornus
Angular diameter: 11651.9"
Status: Moon illumination 33.7%

Observation tip: Moon illumination 33.7%; good for observing lunar surface detail

Right ascension: 18h10m12s
เดคลิเนชัน: -20°53'40"