February 1988 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

19 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 1988 mid-month observing conditions

Mercury

Good
Apparent magnitude: 3.4
กลุ่มดาว: Aquarius
Angular diameter: 10.4"
Status: near greatest eastern elongation

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

Right ascension: 21h14m32s
เดคลิเนชัน: -12°12'08"

Venus

Excellent
Apparent magnitude: -4.1
กลุ่มดาว: Aries
Angular diameter: 15.7"
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: 00h24m05s
เดคลิเนชัน: +02°19'51"

Mars

Excellent
Apparent magnitude: 1.2
กลุ่มดาว: Sagittarius
Angular diameter: 5.3"
Status: near eastern quadrature

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

Right ascension: 17h38m12s
เดคลิเนชัน: -23°23'55"

Jupiter

Excellent
Apparent magnitude: -2.2
กลุ่มดาว: Aries
Angular diameter: 36.6"
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: 01h36m41s
เดคลิเนชัน: +08°54'01"

Saturn

Excellent
Apparent magnitude: 0.5
กลุ่มดาว: Capricornus
Angular diameter: 15.7"
Status: near eastern quadrature

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

Right ascension: 18h00m21s
เดคลิเนชัน: -22°19'46"

Uranus

Fair
Apparent magnitude: 5.7
กลุ่มดาว: Sagittarius
Angular diameter: 3.6"
Status: near eastern quadrature

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

Right ascension: 17h59m59s
เดคลิเนชัน: -23°37'12"

Neptune

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

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

Right ascension: 18h40m22s
เดคลิเนชัน: -22°09'22"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Capricornus
Angular diameter: 12840.1"
Status: Moon illumination 10.6%

Observation tip: Moon illumination 10.6%; good for observing lunar surface detail

Right ascension: 19h20m20s
เดคลิเนชัน: -26°57'35"