February 1939 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

17 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 1939 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -1.3
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: 21h41m03s
เดคลิเนชัน: -16°04'47"

Venus

Excellent
Apparent magnitude: -4.3
กลุ่มดาว: Capricornus
Angular diameter: 21.1"
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: 18h39m24s
เดคลิเนชัน: -20°29'30"

Mars

Excellent
Apparent magnitude: 1.0
กลุ่มดาว: Sagittarius
Angular diameter: 6.2"
Status: near eastern quadrature

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

Right ascension: 16h33m56s
เดคลิเนชัน: -21°25'52"

Jupiter

Excellent
Apparent magnitude: -2.0
กลุ่มดาว: Pisces
Angular diameter: 33.2"
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: 22h48m54s
เดคลิเนชัน: -08°36'10"

Saturn

Excellent
Apparent magnitude: 0.7
กลุ่มดาว: Aries
Angular diameter: 16.6"
Status: near western quadrature

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

Right ascension: 00h57m00s
เดคลิเนชัน: +03°34'11"

Uranus

Fair
Apparent magnitude: 5.8
กลุ่มดาว: Taurus
Angular diameter: 3.6"
Status: near western quadrature

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

Right ascension: 02h46m53s
เดคลิเนชัน: +15°44'11"

Neptune

Fair
Apparent magnitude: 7.8
กลุ่มดาว: Virgo
Angular diameter: 2.3"
Status: near eastern quadrature

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

Right ascension: 11h34m57s
เดคลิเนชัน: +04°00'23"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Capricornus
Angular diameter: 11497.1"
Status: Moon illumination 16.3%

Observation tip: Moon illumination 16.3%; good for observing lunar surface detail

Right ascension: 18h34m10s
เดคลิเนชัน: -19°02'14"