December 1958 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

22 sky events total, including 4 moon phases and 3 planetary events.

เหตุการณ์ท้องฟ้า

All times are in local time (Asia/Shanghai)

Group วันที่ Sunrise/Sunset Moonrise/Moonset Moon Phase ปรากฏการณ์ท้องฟ้า

Planetary outlook

December 1958 mid-month observing conditions

Mercury

Good
Apparent magnitude: 2.1
กลุ่มดาว: Sagittarius
Angular diameter: 9.4"
Status: near greatest eastern elongation

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Right ascension: 16h42m08s
เดคลิเนชัน: -19°32'10"

Venus

Excellent
Apparent magnitude: -3.9
กลุ่มดาว: Capricornus
Angular diameter: 9.9"
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: 18h03m00s
เดคลิเนชัน: -24°04'12"

Mars

Excellent
Apparent magnitude: -1.3
กลุ่มดาว: Taurus
Angular diameter: 15.4"
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: 02h55m19s
เดคลิเนชัน: +18°20'51"

Jupiter

Excellent
Apparent magnitude: -1.7
กลุ่มดาว: Scorpius
Angular diameter: 31.7"
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: 15h13m59s
เดคลิเนชัน: -17°01'38"

Saturn

Excellent
Apparent magnitude: 0.5
กลุ่มดาว: Sagittarius
Angular diameter: 15.0"
Status: near western quadrature

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

Right ascension: 17h49m02s
เดคลิเนชัน: -22°26'49"

Uranus

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

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

Right ascension: 09h15m12s
เดคลิเนชัน: +16°39'49"

Neptune

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

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

Right ascension: 14h17m38s
เดคลิเนชัน: -11°56'38"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Aquarius
Angular diameter: 12074.1"
Status: Moon illumination 21.9%

Observation tip: Moon illumination 21.9%; good for observing lunar surface detail

Right ascension: 21h16m26s
เดคลิเนชัน: -11°08'08"