November 1991 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

November 1991 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.3
กลุ่มดาว: Sagittarius
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: 16h48m55s
เดคลิเนชัน: -25°04'38"

Venus

Excellent
Apparent magnitude: -4.4
กลุ่มดาว: Libra
Angular diameter: 21.3"
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: 12h24m36s
เดคลิเนชัน: -01°06'20"

Mars

Excellent
Apparent magnitude: 1.4
กลุ่มดาว: Scorpius
Angular diameter: 3.7"
Status: near eastern quadrature

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

Right ascension: 15h10m31s
เดคลิเนชัน: -17°44'50"

Jupiter

Excellent
Apparent magnitude: -1.9
กลุ่มดาว: Virgo
Angular diameter: 35.1"
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: 10h53m06s
เดคลิเนชัน: +08°09'40"

Saturn

Excellent
Apparent magnitude: 0.6
กลุ่มดาว: Aquarius
Angular diameter: 16.2"
Status: near western quadrature

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

Right ascension: 20h15m43s
เดคลิเนชัน: -20°21'23"

Uranus

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

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

Right ascension: 18h48m37s
เดคลิเนชัน: -23°20'18"

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: 19h03m17s
เดคลิเนชัน: -21°53'24"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Aquarius
Angular diameter: 11621.9"
Status: Moon illumination 54.1%

Observation tip: Moon illumination 54.1%; good for observing lunar surface detail

Right ascension: 21h50m35s
เดคลิเนชัน: -09°08'39"