January 2057 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

21 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

January 2057 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.2
กลุ่มดาว: Capricornus
Angular diameter: 6.1"
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: 18h11m12s
เดคลิเนชัน: -22°31'59"

Venus

Excellent
Apparent magnitude: -4.7
กลุ่มดาว: Pisces
Angular diameter: 29.1"
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: 22h52m17s
เดคลิเนชัน: -06°57'15"

Mars

Excellent
Apparent magnitude: -1.3
กลุ่มดาว: Leo
Angular diameter: 14.2"
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: 08h46m52s
เดคลิเนชัน: +22°23'58"

Jupiter

Excellent
Apparent magnitude: -2.0
กลุ่มดาว: Aquarius
Angular diameter: 33.1"
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: 21h20m35s
เดคลิเนชัน: -16°16'36"

Saturn

Excellent
Apparent magnitude: 0.6
กลุ่มดาว: Aries
Angular diameter: 17.6"
Status: near western quadrature

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

Right ascension: 01h04m45s
เดคลิเนชัน: +04°13'53"

Uranus

Fair
Apparent magnitude: 5.5
กลุ่มดาว: Libra
Angular diameter: 3.8"
Status: near eastern quadrature

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

Right ascension: 13h30m10s
เดคลิเนชัน: -08°46'01"

Neptune

Fair
Apparent magnitude: 7.7
กลุ่มดาว: Gemini
Angular diameter: 2.3"
Status: near western quadrature

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

Right ascension: 04h31m40s
เดคลิเนชัน: +20°16'14"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Taurus
Angular diameter: 11489.9"
Status: Moon illumination 71.7%

Observation tip: Moon illumination 71.7%; good for observing lunar surface detail

Right ascension: 03h18m52s
เดคลิเนชัน: +14°00'58"