December 1951 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

18 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 1951 mid-month observing conditions

Mercury

Fair
Apparent magnitude: 4.2
กลุ่มดาว: Sagittarius
Angular diameter: 9.8"
Status: near superior conjunction

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

Right ascension: 17h48m03s
เดคลิเนชัน: -22°10'40"

Venus

Excellent
Apparent magnitude: -4.3
กลุ่มดาว: Scorpius
Angular diameter: 18.2"
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: 14h25m41s
เดคลิเนชัน: -11°49'10"

Mars

Excellent
Apparent magnitude: 1.3
กลุ่มดาว: Libra
Angular diameter: 5.5"
Status: near eastern quadrature

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

Right ascension: 12h45m27s
เดคลิเนชัน: -03°01'46"

Jupiter

Excellent
Apparent magnitude: -2.5
กลุ่มดาว: Aries
Angular diameter: 42.5"
Status: near western 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: 00h19m10s
เดคลิเนชัน: +00°34'00"

Saturn

Excellent
Apparent magnitude: 0.9
กลุ่มดาว: Libra
Angular diameter: 16.8"
Status: near eastern quadrature

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

Right ascension: 12h53m25s
เดคลิเนชัน: -03°12'00"

Uranus

Fair
Apparent magnitude: 5.5
กลุ่มดาว: Cancer
Angular diameter: 3.9"
Status: near eastern quadrature

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

Right ascension: 06h55m39s
เดคลิเนชัน: +23°12'47"

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: 13h21m04s
เดคลิเนชัน: -06°47'35"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Cancer
Angular diameter: 11469.2"
Status: Moon illumination 97.6%

Observation tip: Moon illumination 97.6%; good for observing lunar surface detail

Right ascension: 06h43m46s
เดคลิเนชัน: +27°07'00"