February 1998 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

21 sky events total, including 4 moon phases and 2 planetary events.

เหตุการณ์ท้องฟ้า

All times are in local time (Asia/Shanghai)

Group วันที่ Sunrise/Sunset Moonrise/Moonset Moon Phase ปรากฏการณ์ท้องฟ้า

Planetary outlook

February 1998 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -1.1
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: 21h33m52s
เดคลิเนชัน: -16°41'05"

Venus

Excellent
Apparent magnitude: -4.9
กลุ่มดาว: Capricornus
Angular diameter: 44.0"
Status: near greatest eastern 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: 19h22m49s
เดคลิเนชัน: -15°34'16"

Mars

Excellent
Apparent magnitude: 1.2
กลุ่มดาว: Pisces
Angular diameter: 4.1"
Status: near western quadrature

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

Right ascension: 23h10m34s
เดคลิเนชัน: -06°13'41"

Jupiter

Excellent
Apparent magnitude: -2.0
กลุ่มดาว: Pisces
Angular diameter: 32.9"
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: 22h19m13s
เดคลิเนชัน: -11°23'35"

Saturn

Excellent
Apparent magnitude: 0.7
กลุ่มดาว: Aries
Angular diameter: 16.7"
Status: near western quadrature

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

Right ascension: 01h04m59s
เดคลิเนชัน: +04°23'24"

Uranus

Fair
Apparent magnitude: 5.9
กลุ่มดาว: Aquarius
Angular diameter: 3.4"
Status: near eastern quadrature

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

Right ascension: 20h49m14s
เดคลิเนชัน: -18°24'05"

Neptune

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

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

Right ascension: 20h10m57s
เดคลิเนชัน: -19°40'09"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Libra
Angular diameter: 11479.5"
Status: Moon illumination 88.8%

Observation tip: Moon illumination 88.8%; good for observing lunar surface detail

Right ascension: 12h22m54s
เดคลิเนชัน: -00°03'34"