February 1977 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

18 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

February 1977 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.2
กลุ่มดาว: Aquarius
Angular diameter: 5.4"
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: 20h33m38s
เดคลิเนชัน: -20°07'08"

Venus

Excellent
Apparent magnitude: -4.7
กลุ่มดาว: Aries
Angular diameter: 31.5"
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: 00h36m28s
เดคลิเนชัน: +07°02'07"

Mars

Excellent
Apparent magnitude: 1.3
กลุ่มดาว: Aquarius
Angular diameter: 4.1"
Status: near eastern quadrature

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

Right ascension: 20h27m19s
เดคลิเนชัน: -20°09'36"

Jupiter

Excellent
Apparent magnitude: -2.3
กลุ่มดาว: Taurus
Angular diameter: 39.4"
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: 03h22m06s
เดคลิเนชัน: +17°42'04"

Saturn

Excellent
Apparent magnitude: -0.0
กลุ่มดาว: Leo
Angular diameter: 20.3"
Status: near western quadrature

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

Right ascension: 09h00m41s
เดคลิเนชัน: +18°00'23"

Uranus

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

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

Right ascension: 14h37m58s
เดคลิเนชัน: -14°56'33"

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: 16h59m18s
เดคลิเนชัน: -21°13'15"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Capricornus
Angular diameter: 12442.1"
Status: Moon illumination 11.9%

Observation tip: Moon illumination 11.9%; good for observing lunar surface detail

Right ascension: 19h07m55s
เดคลิเนชัน: -17°29'29"