February 2015 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

22 sky events total, including 4 moon phases and 3 planetary events.

เหตุการณ์ท้องฟ้า

All times are in local time (Asia/Shanghai)

Group วันที่ Sunrise/Sunset Moonrise/Moonset Moon Phase ปรากฏการณ์ท้องฟ้า

Planetary outlook

February 2015 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: 0.3
กลุ่มดาว: Aquarius
Angular diameter: 8.3"
Status: near greatest eastern elongation

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Right ascension: 20h15m05s
เดคลิเนชัน: -17°57'56"

Venus

Excellent
Apparent magnitude: -3.9
กลุ่มดาว: Pisces
Angular diameter: 11.5"
Status: near greatest western elongation

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: 23h35m28s
เดคลิเนชัน: -03°58'35"

Mars

Excellent
Apparent magnitude: 1.2
กลุ่มดาว: Pisces
Angular diameter: 4.3"
Status: near western quadrature

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

Right ascension: 23h46m51s
เดคลิเนชัน: -02°07'58"

Jupiter

Excellent
Apparent magnitude: -2.6
กลุ่มดาว: Leo
Angular diameter: 45.2"
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: 09h17m13s
เดคลิเนชัน: +16°48'11"

Saturn

Excellent
Apparent magnitude: 0.5
กลุ่มดาว: Sagittarius
Angular diameter: 16.5"
Status: near eastern quadrature

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

Right ascension: 16h10m49s
เดคลิเนชัน: -19°00'43"

Uranus

Fair
Apparent magnitude: 5.9
กลุ่มดาว: Aries
Angular diameter: 3.4"
Status: near western quadrature

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

Right ascension: 00h51m50s
เดคลิเนชัน: +04°51'46"

Neptune

Fair
Apparent magnitude: 7.8
กลุ่มดาว: Pisces
Angular diameter: 2.2"
Status: near western quadrature

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

Right ascension: 22h35m23s
เดคลิเนชัน: -09°40'39"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Capricornus
Angular diameter: 12479.8"
Status: Moon illumination 21.5%

Observation tip: Moon illumination 21.5%; good for observing lunar surface detail

Right ascension: 18h03m54s
เดคลิเนชัน: -18°21'16"