October 2090 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

18 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 2090 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.6
กลุ่มดาว: Scorpius
Angular diameter: 4.9"
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: 14h07m35s
เดคลิเนชัน: -13°25'00"

Venus

Excellent
Apparent magnitude: -4.3
กลุ่มดาว: Libra
Angular diameter: 57.4"
Status: near greatest eastern 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: 12h12m59s
เดคลิเนชัน: -08°23'32"

Mars

Excellent
Apparent magnitude: 1.2
กลุ่มดาว: Leo
Angular diameter: 5.4"
Status: near eastern quadrature

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

Right ascension: 09h19m45s
เดคลิเนชัน: +16°59'33"

Jupiter

Excellent
Apparent magnitude: -1.9
กลุ่มดาว: Sagittarius
Angular diameter: 34.0"
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: 17h02m08s
เดคลิเนชัน: -22°26'00"

Saturn

Excellent
Apparent magnitude: -0.1
กลุ่มดาว: Gemini
Angular diameter: 19.5"
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: 05h40m02s
เดคลิเนชัน: +21°50'47"

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: 22h56m45s
เดคลิเนชัน: -07°36'13"

Neptune

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

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

Right ascension: 09h57m20s
เดคลิเนชัน: +12°51'46"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Cancer
Angular diameter: 12069.4"
Status: Moon illumination 65.3%

Observation tip: Moon illumination 65.3%; good for observing lunar surface detail

Right ascension: 06h18m19s
เดคลิเนชัน: +18°17'21"