January 1948 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

25 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

January 1948 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -1.1
กลุ่มดาว: Aquarius
Angular diameter: 4.9"
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: 20h14m45s
เดคลิเนชัน: -21°59'50"

Venus

Excellent
Apparent magnitude: -3.9
กลุ่มดาว: Aquarius
Angular diameter: 12.6"
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: 21h56m05s
เดคลิเนชัน: -14°20'50"

Mars

Excellent
Apparent magnitude: -0.5
กลุ่มดาว: Virgo
Angular diameter: 11.8"
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: 10h41m58s
เดคลิเนชัน: +12°21'46"

Jupiter

Excellent
Apparent magnitude: -1.8
กลุ่มดาว: Sagittarius
Angular diameter: 32.3"
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: 17h08m19s
เดคลิเนชัน: -22°22'36"

Saturn

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

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

Right ascension: 09h35m46s
เดคลิเนชัน: +15°33'21"

Uranus

Fair
Apparent magnitude: 5.5
กลุ่มดาว: Gemini
Angular diameter: 3.9"
Status: near western quadrature

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

Right ascension: 05h29m20s
เดคลิเนชัน: +23°24'40"

Neptune

Fair
Apparent magnitude: 7.9
กลุ่มดาว: Libra
Angular diameter: 2.3"
Status: near eastern quadrature

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

Right ascension: 12h50m13s
เดคลิเนชัน: -03°42'28"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Pisces
Angular diameter: 11477.7"
Status: Moon illumination 11.8%

Observation tip: Moon illumination 11.8%; good for observing lunar surface detail

Right ascension: 22h29m42s
เดคลิเนชัน: -14°45'05"