December 1994 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 1994 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -1.3
กลุ่มดาว: Sagittarius
Angular diameter: 4.6"
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: 17h30m20s
เดคลิเนชัน: -24°35'29"

Venus

Excellent
Apparent magnitude: -4.8
กลุ่มดาว: Scorpius
Angular diameter: 36.8"
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: 14h35m02s
เดคลิเนชัน: -12°14'11"

Mars

Excellent
Apparent magnitude: 0.0
กลุ่มดาว: Virgo
Angular diameter: 9.6"
Status: near eastern quadrature

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

Right ascension: 10h14m37s
เดคลิเนชัน: +13°55'34"

Jupiter

Excellent
Apparent magnitude: -1.7
กลุ่มดาว: Scorpius
Angular diameter: 31.4"
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: 15h56m55s
เดคลิเนชัน: -19°39'02"

Saturn

Excellent
Apparent magnitude: 0.9
กลุ่มดาว: Pisces
Angular diameter: 16.8"
Status: near western quadrature

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

Right ascension: 22h36m46s
เดคลิเนชัน: -10°43'25"

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: 19h46m10s
เดคลิเนชัน: -21°42'06"

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: 19h34m30s
เดคลิเนชัน: -21°05'54"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Taurus
Angular diameter: 11459.4"
Status: Moon illumination 91.7%

Observation tip: Moon illumination 91.7%; good for observing lunar surface detail

Right ascension: 03h07m27s
เดคลิเนชัน: +17°06'20"