October 2011 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 2011 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.6
กลุ่มดาว: Scorpius
Angular diameter: 4.8"
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: 14h00m31s
เดคลิเนชัน: -12°39'24"

Venus

Excellent
Apparent magnitude: -3.9
กลุ่มดาว: Scorpius
Angular diameter: 10.2"
Status: near greatest western elongation

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: 14h19m51s
เดคลิเนชัน: -13°28'16"

Mars

Excellent
Apparent magnitude: 1.2
กลุ่มดาว: Leo
Angular diameter: 5.5"
Status: near eastern quadrature

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

Right ascension: 09h12m52s
เดคลิเนชัน: +17°30'24"

Jupiter

Excellent
Apparent magnitude: -2.9
กลุ่มดาว: Taurus
Angular diameter: 49.4"
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: 02h21m13s
เดคลิเนชัน: +12°29'38"

Saturn

Excellent
Apparent magnitude: 0.7
กลุ่มดาว: Libra
Angular diameter: 15.6"
Status: near eastern quadrature

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

Right ascension: 13h18m28s
เดคลิเนชัน: -05°51'14"

Uranus

Fair
Apparent magnitude: 5.8
กลุ่มดาว: Aries
Angular diameter: 3.7"
Status: near western quadrature

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

Right ascension: 00h07m57s
เดคลิเนชัน: +00°01'30"

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: 22h02m42s
เดคลิเนชัน: -12°34'42"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Taurus
Angular diameter: 11509.0"
Status: Moon illumination 92.6%

Observation tip: Moon illumination 92.6%; good for observing lunar surface detail

Right ascension: 03h19m59s
เดคลิเนชัน: +20°24'03"