November 1987 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

21 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

November 1987 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.6
กลุ่มดาว: Scorpius
Angular diameter: 6.5"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Right ascension: 14h06m46s
เดคลิเนชัน: -10°24'20"

Venus

Excellent
Apparent magnitude: -3.9
กลุ่มดาว: Sagittarius
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: 16h49m03s
เดคลิเนชัน: -23°10'46"

Mars

Excellent
Apparent magnitude: 1.8
กลุ่มดาว: Libra
Angular diameter: 3.8"
Status: near eastern quadrature

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

Right ascension: 13h30m15s
เดคลิเนชัน: -08°33'23"

Jupiter

Excellent
Apparent magnitude: -2.8
กลุ่มดาว: Aries
Angular diameter: 48.3"
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: 01h21m06s
เดคลิเนชัน: +06°54'38"

Saturn

Excellent
Apparent magnitude: 0.5
กลุ่มดาว: Sagittarius
Angular diameter: 15.2"
Status: near western quadrature

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

Right ascension: 17h16m54s
เดคลิเนชัน: -21°53'40"

Uranus

Fair
Apparent magnitude: 5.8
กลุ่มดาว: Sagittarius
Angular diameter: 3.5"
Status: near western quadrature

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

Right ascension: 17h37m45s
เดคลิเนชัน: -23°30'20"

Neptune

Fair
Apparent magnitude: 7.9
กลุ่มดาว: Capricornus
Angular diameter: 2.2"
Status: near western quadrature

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

Right ascension: 18h26m32s
เดคลิเนชัน: -22°19'43"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Virgo
Angular diameter: 11600.3"
Status: Moon illumination 37.1%

Observation tip: Moon illumination 37.1%; good for observing lunar surface detail

Right ascension: 10h38m52s
เดคลิเนชัน: +10°47'41"