December 1941 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

25 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 1941 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -1.0
กลุ่มดาว: Sagittarius
Angular diameter: 4.7"
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: 17h10m35s
เดคลิเนชัน: -23°50'27"

Venus

Excellent
Apparent magnitude: -4.8
กลุ่มดาว: Aquarius
Angular diameter: 33.0"
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: 20h42m36s
เดคลิเนชัน: -20°11'43"

Mars

Excellent
Apparent magnitude: -0.7
กลุ่มดาว: Aries
Angular diameter: 12.2"
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: 01h05m34s
เดคลิเนชัน: +07°21'20"

Jupiter

Excellent
Apparent magnitude: -2.8
กลุ่มดาว: Gemini
Angular diameter: 48.1"
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: 04h57m27s
เดคลิเนชัน: +22°01'45"

Saturn

Excellent
Apparent magnitude: -0.2
กลุ่มดาว: Taurus
Angular diameter: 20.1"
Status: near western quadrature

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

Right ascension: 03h24m49s
เดคลิเนชัน: +16°17'29"

Uranus

Fair
Apparent magnitude: 5.6
กลุ่มดาว: Taurus
Angular diameter: 3.8"
Status: near western quadrature

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

Right ascension: 03h40m34s
เดคลิเนชัน: +19°22'15"

Neptune

Fair
Apparent magnitude: 7.9
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: 12h01m17s
เดคลิเนชัน: +01°15'57"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Scorpius
Angular diameter: 12788.2"
Status: Moon illumination 16.9%

Observation tip: Moon illumination 16.9%; good for observing lunar surface detail

Right ascension: 14h13m20s
เดคลิเนชัน: -09°31'49"