October 1909 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

October 1909 mid-month observing conditions

Mercury

Fair
Apparent magnitude: 4.6
กลุ่มดาว: Libra
Angular diameter: 9.9"
Status: near greatest eastern elongation

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

Right ascension: 12h57m25s
เดคลิเนชัน: -07°06'35"

Venus

Excellent
Apparent magnitude: -4.1
กลุ่มดาว: Sagittarius
Angular diameter: 16.2"
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: 16h02m22s
เดคลิเนชัน: -22°40'42"

Mars

Excellent
Apparent magnitude: -2.3
กลุ่มดาว: Pisces
Angular diameter: 21.3"
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: 23h50m53s
เดคลิเนชัน: -04°43'35"

Jupiter

Excellent
Apparent magnitude: -1.7
กลุ่มดาว: Libra
Angular diameter: 31.0"
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: 12h04m04s
เดคลิเนชัน: +00°44'58"

Saturn

Excellent
Apparent magnitude: 0.1
กลุ่มดาว: Aries
Angular diameter: 19.9"
Status: near western quadrature

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

Right ascension: 01h16m49s
เดคลิเนชัน: +05°07'00"

Uranus

Fair
Apparent magnitude: 5.8
กลุ่มดาว: Capricornus
Angular diameter: 3.6"
Status: near western quadrature

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

Right ascension: 19h15m03s
เดคลิเนชัน: -22°47'39"

Neptune

Fair
Apparent magnitude: nan
กลุ่มดาว: Cancer
Angular diameter: 2.3"
Status: near eastern quadrature

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

Right ascension: 07h23m15s
เดคลิเนชัน: +21°21'32"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Libra
Angular diameter: 11463.7"
Status: Moon illumination 0.5%

Observation tip: Moon illumination 0.5%; good for observing lunar surface detail

Right ascension: 13h49m18s
เดคลิเนชัน: -07°43'33"