October 2091 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

19 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

October 2091 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.2
กลุ่มดาว: Scorpius
Angular diameter: 5.6"
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: 14h42m36s
เดคลิเนชัน: -17°52'52"

Venus

Excellent
Apparent magnitude: -3.9
กลุ่มดาว: Scorpius
Angular diameter: 10.8"
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: 14h45m17s
เดคลิเนชัน: -15°52'43"

Mars

Excellent
Apparent magnitude: 1.2
กลุ่มดาว: Sagittarius
Angular diameter: 4.7"
Status: near western quadrature

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

Right ascension: 16h17m56s
เดคลิเนชัน: -22°19'54"

Jupiter

Excellent
Apparent magnitude: -2.2
กลุ่มดาว: Capricornus
Angular diameter: 38.1"
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: 19h03m33s
เดคลิเนชัน: -22°56'31"

Saturn

Excellent
Apparent magnitude: -0.1
กลุ่มดาว: Cancer
Angular diameter: 19.0"
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: 06h41m14s
เดคลิเนชัน: +22°09'42"

Uranus

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

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

Right ascension: 23h11m57s
เดคลิเนชัน: -06°01'33"

Neptune

Fair
Apparent magnitude: 7.8
กลุ่มดาว: Virgo
Angular diameter: 2.2"
Status: near eastern quadrature

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

Right ascension: 10h05m39s
เดคลิเนชัน: +12°11'01"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Scorpius
Angular diameter: 12922.6"
Status: Moon illumination 7.7%

Observation tip: Moon illumination 7.7%; good for observing lunar surface detail

Right ascension: 15h30m04s
เดคลิเนชัน: -13°45'10"