October 1940 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

28 sky events total, including 5 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 1940 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.1
กลุ่มดาว: Scorpius
Angular diameter: 6.1"
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: 14h47m52s
เดคลิเนชัน: -18°47'07"

Venus

Excellent
Apparent magnitude: -4.2
กลุ่มดาว: Virgo
Angular diameter: 16.7"
Status: near inferior 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: 10h44m11s
เดคลิเนชัน: +08°40'23"

Mars

Excellent
Apparent magnitude: 1.8
กลุ่มดาว: Libra
Angular diameter: 3.6"
Status: near eastern quadrature

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

Right ascension: 12h23m45s
เดคลิเนชัน: -01°33'08"

Jupiter

Excellent
Apparent magnitude: -2.9
กลุ่มดาว: Taurus
Angular diameter: 48.9"
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: 02h44m20s
เดคลิเนชัน: +14°25'41"

Saturn

Excellent
Apparent magnitude: -0.1
กลุ่มดาว: Taurus
Angular diameter: 20.1"
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: 02h44m52s
เดคลิเนชัน: +13°10'46"

Uranus

Fair
Apparent magnitude: 5.7
กลุ่มดาว: Taurus
Angular diameter: 3.8"
Status: near eastern quadrature

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

Right ascension: 03h32m28s
เดคลิเนชัน: +18°50'44"

Neptune

Fair
Apparent magnitude: 8.0
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: 11h48m00s
เดคลิเนชัน: +02°36'37"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Aries
Angular diameter: 11453.5"
Status: Moon illumination 98.4%

Observation tip: Moon illumination 98.4%; good for observing lunar surface detail

Right ascension: 00h24m58s
เดคลิเนชัน: +03°06'55"