December 1955 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 1955 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.9
กลุ่มดาว: Sagittarius
Angular diameter: 4.7"
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: 17h51m14s
เดคลิเนชัน: -25°13'12"

Venus

Excellent
Apparent magnitude: -3.9
กลุ่มดาว: Capricornus
Angular diameter: 11.4"
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: 19h20m57s
เดคลิเนชัน: -23°43'44"

Mars

Excellent
Apparent magnitude: 1.6
กลุ่มดาว: Scorpius
Angular diameter: 4.2"
Status: near eastern quadrature

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

Right ascension: 14h32m40s
เดคลิเนชัน: -14°13'51"

Jupiter

Excellent
Apparent magnitude: -2.2
กลุ่มดาว: Virgo
Angular diameter: 40.0"
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: 10h15m24s
เดคลิเนชัน: +11°49'38"

Saturn

Excellent
Apparent magnitude: 0.6
กลุ่มดาว: Scorpius
Angular diameter: 15.4"
Status: near eastern quadrature

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

Right ascension: 15h41m02s
เดคลิเนชัน: -17°36'38"

Uranus

Fair
Apparent magnitude: 5.5
กลุ่มดาว: Leo
Angular diameter: 4.0"
Status: near eastern quadrature

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

Right ascension: 08h16m33s
เดคลิเนชัน: +20°20'21"

Neptune

Fair
Apparent magnitude: 8.0
กลุ่มดาว: Libra
Angular diameter: 2.2"
Status: near eastern quadrature

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

Right ascension: 13h53m12s
เดคลิเนชัน: -09°48'27"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Sagittarius
Angular diameter: 11445.3"
Status: Moon illumination 0.4%

Observation tip: Moon illumination 0.4%; good for observing lunar surface detail

Right ascension: 17h59m10s
เดคลิเนชัน: -22°17'55"