December 2005 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

25 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

December 2005 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.4
กลุ่มดาว: Sagittarius
Angular diameter: 6.3"
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: 16h02m35s
เดคลิเนชัน: -18°39'19"

Venus

Excellent
Apparent magnitude: -4.9
กลุ่มดาว: Aquarius
Angular diameter: 44.9"
Status: near superior 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: 20h08m59s
เดคลิเนชัน: -21°29'16"

Mars

Excellent
Apparent magnitude: -1.1
กลุ่มดาว: Taurus
Angular diameter: 14.6"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Right ascension: 02h22m26s
เดคลิเนชัน: +15°26'41"

Jupiter

Excellent
Apparent magnitude: -1.8
กลุ่มดาว: Scorpius
Angular diameter: 32.2"
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: 14h33m03s
เดคลิเนชัน: -13°54'17"

Saturn

Excellent
Apparent magnitude: 0.0
กลุ่มดาว: Leo
Angular diameter: 19.8"
Status: near eastern quadrature

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

Right ascension: 08h53m50s
เดคลิเนชัน: +18°04'41"

Uranus

Fair
Apparent magnitude: 5.9
กลุ่มดาว: Pisces
Angular diameter: 3.5"
Status: near western quadrature

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

Right ascension: 22h36m46s
เดคลิเนชัน: -09°34'27"

Neptune

Fair
Apparent magnitude: 7.8
กลุ่มดาว: Aquarius
Angular diameter: 2.2"
Status: near western quadrature

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

Right ascension: 21h11m57s
เดคลิเนชัน: -16°20'37"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Gemini
Angular diameter: 11915.2"
Status: Moon illumination 99.4%

Observation tip: Moon illumination 99.4%; good for observing lunar surface detail

Right ascension: 04h53m12s
เดคลิเนชัน: +27°06'14"