February 2057 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

20 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

February 2057 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.9
กลุ่มดาว: Aquarius
Angular diameter: 4.8"
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: 21h26m56s
เดคลิเนชัน: -17°12'54"

Venus

Excellent
Apparent magnitude: -4.8
กลุ่มดาว: Pisces
Angular diameter: 45.9"
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: 23h54m52s
เดคลิเนชัน: +05°18'42"

Mars

Excellent
Apparent magnitude: -0.9
กลุ่มดาว: Leo
Angular diameter: 13.0"
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: 08h00m24s
เดคลิเนชัน: +24°51'28"

Jupiter

Excellent
Apparent magnitude: -2.0
กลุ่มดาว: Aquarius
Angular diameter: 32.7"
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: 21h49m25s
เดคลิเนชัน: -13°57'05"

Saturn

Excellent
Apparent magnitude: 0.7
กลุ่มดาว: Aries
Angular diameter: 16.8"
Status: near western quadrature

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

Right ascension: 01h12m59s
เดคลิเนชัน: +05°12'07"

Uranus

Fair
Apparent magnitude: 5.4
กลุ่มดาว: Libra
Angular diameter: 4.0"
Status: near eastern quadrature

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

Right ascension: 13h29m54s
เดคลิเนชัน: -08°43'30"

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: 04h30m21s
เดคลิเนชัน: +20°15'07"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Cancer
Angular diameter: 11604.0"
Status: Moon illumination 80.7%

Observation tip: Moon illumination 80.7%; good for observing lunar surface detail

Right ascension: 06h19m53s
เดคลิเนชัน: +22°42'50"