December 1993 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

20 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

December 1993 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.7
กลุ่มดาว: Sagittarius
Angular diameter: 4.9"
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: 16h42m23s
เดคลิเนชัน: -22°12'56"

Venus

Excellent
Apparent magnitude: -3.9
กลุ่มดาว: Sagittarius
Angular diameter: 9.9"
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: 16h55m27s
เดคลิเนชัน: -22°17'47"

Mars

Excellent
Apparent magnitude: 1.2
กลุ่มดาว: Sagittarius
Angular diameter: 3.8"
Status: near western quadrature

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

Right ascension: 17h43m28s
เดคลิเนชัน: -24°04'43"

Jupiter

Excellent
Apparent magnitude: -1.8
กลุ่มดาว: Scorpius
Angular diameter: 32.4"
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: 14h19m44s
เดคลิเนชัน: -12°46'27"

Saturn

Excellent
Apparent magnitude: 0.9
กลุ่มดาว: Aquarius
Angular diameter: 16.3"
Status: near western quadrature

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

Right ascension: 21h53m11s
เดคลิเนชัน: -14°21'45"

Uranus

Fair
Apparent magnitude: 5.9
กลุ่มดาว: Capricornus
Angular diameter: 3.4"
Status: near western quadrature

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

Right ascension: 19h29m28s
เดคลิเนชัน: -22°18'24"

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: 19h25m30s
เดคลิเนชัน: -21°21'38"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Capricornus
Angular diameter: 12330.3"
Status: Moon illumination 3.4%

Observation tip: Moon illumination 3.4%; good for observing lunar surface detail

Right ascension: 18h58m27s
เดคลิเนชัน: -19°18'04"