December 1975 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

22 sky events total, including 4 moon phases and 2 planetary events.

เหตุการณ์ท้องฟ้า

All times are in local time (Asia/Shanghai)

Group วันที่ Sunrise/Sunset Moonrise/Moonset Moon Phase ปรากฏการณ์ท้องฟ้า

Planetary outlook

December 1975 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.8
กลุ่มดาว: Capricornus
Angular diameter: 4.8"
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: 18h05m45s
เดคลิเนชัน: -25°26'36"

Venus

Excellent
Apparent magnitude: -4.2
กลุ่มดาว: Scorpius
Angular diameter: 17.2"
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: 14h30m31s
เดคลิเนชัน: -12°17'18"

Mars

Excellent
Apparent magnitude: -1.8
กลุ่มดาว: Gemini
Angular diameter: 16.5"
Status: near eastern quadrature

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

Right ascension: 05h29m43s
เดคลิเนชัน: +26°02'07"

Jupiter

Excellent
Apparent magnitude: -2.6
กลุ่มดาว: Aries
Angular diameter: 43.8"
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: 00h56m35s
เดคลิเนชัน: +04°32'38"

Saturn

Excellent
Apparent magnitude: -0.1
กลุ่มดาว: Leo
Angular diameter: 20.1"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Saturn’s rings require a telescope to see clearly

Right ascension: 08h17m51s
เดคลิเนชัน: +19°53'56"

Uranus

Fair
Apparent magnitude: 5.6
กลุ่มดาว: Scorpius
Angular diameter: 3.7"
Status: near eastern quadrature

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

Right ascension: 14h14m06s
เดคลิเนชัน: -12°57'13"

Neptune

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

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

Right ascension: 16h42m28s
เดคลิเนชัน: -20°44'43"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Taurus
Angular diameter: 11671.3"
Status: Moon illumination 87.1%

Observation tip: Moon illumination 87.1%; good for observing lunar surface detail

Right ascension: 02h30m04s
เดคลิเนชัน: +15°52'30"