February 1971 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

17 sky events total, including 4 moon phases and 0 planetary events.

เหตุการณ์ท้องฟ้า

All times are in local time (Asia/Shanghai)

Group วันที่ Sunrise/Sunset Moonrise/Moonset Moon Phase ปรากฏการณ์ท้องฟ้า

Planetary outlook

February 1971 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.5
กลุ่มดาว: Aquarius
Angular diameter: 5.0"
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: 20h55m54s
เดคลิเนชัน: -19°14'32"

Venus

Excellent
Apparent magnitude: -4.3
กลุ่มดาว: Capricornus
Angular diameter: 19.3"
Status: near inferior 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: 18h44m34s
เดคลิเนชัน: -20°47'30"

Mars

Excellent
Apparent magnitude: 1.0
กลุ่มดาว: Sagittarius
Angular diameter: 5.9"
Status: near eastern quadrature

Observation tip: Visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Right ascension: 16h52m18s
เดคลิเนชัน: -22°10'11"

Jupiter

Excellent
Apparent magnitude: -2.0
กลุ่มดาว: Sagittarius
Angular diameter: 36.2"
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: 16h10m39s
เดคลิเนชัน: -20°07'19"

Saturn

Excellent
Apparent magnitude: 0.2
กลุ่มดาว: Taurus
Angular diameter: 18.0"
Status: near western quadrature

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

Right ascension: 02h58m28s
เดคลิเนชัน: +14°42'00"

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: 12h49m45s
เดคลิเนชัน: -04°33'40"

Neptune

Fair
Apparent magnitude: 7.9
กลุ่มดาว: Sagittarius
Angular diameter: 2.2"
Status: near eastern quadrature

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

Right ascension: 16h05m03s
เดคลิเนชัน: -19°07'34"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Libra
Angular diameter: 11507.3"
Status: Moon illumination 81.7%

Observation tip: Moon illumination 81.7%; good for observing lunar surface detail

Right ascension: 12h53m43s
เดคลิเนชัน: -10°19'41"