September 1997 ปรากฏการณ์ท้องฟ้า

Observer Location:Beijing (39.904°, 116.407°)

ภาพรวมดาวเคราะห์

22 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

September 1997 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: -0.1
กลุ่มดาว: Virgo
Angular diameter: 7.6"
Status: near greatest eastern elongation

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Right ascension: 10h25m48s
เดคลิเนชัน: +09°59'26"

Venus

Excellent
Apparent magnitude: -4.1
กลุ่มดาว: Scorpius
Angular diameter: 15.8"
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: 14h03m20s
เดคลิเนชัน: -13°28'16"

Mars

Excellent
Apparent magnitude: 1.0
กลุ่มดาว: Scorpius
Angular diameter: 5.5"
Status: near western quadrature

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

Right ascension: 15h10m55s
เดคลิเนชัน: -18°45'46"

Jupiter

Excellent
Apparent magnitude: -2.7
กลุ่มดาว: Aquarius
Angular diameter: 46.6"
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: 21h02m54s
เดคลิเนชัน: -17°52'31"

Saturn

Excellent
Apparent magnitude: 0.3
กลุ่มดาว: Aries
Angular diameter: 19.6"
Status: near eastern quadrature

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

Right ascension: 01h13m28s
เดคลิเนชัน: +04°50'02"

Uranus

Fair
Apparent magnitude: 5.8
กลุ่มดาว: Aquarius
Angular diameter: 3.7"
Status: near western quadrature

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

Right ascension: 20h30m24s
เดคลิเนชัน: -19°36'58"

Neptune

Fair
Apparent magnitude: 7.8
กลุ่มดาว: Capricornus
Angular diameter: 2.3"
Status: near western quadrature

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

Right ascension: 19h57m15s
เดคลิเนชัน: -20°17'48"

Moon

Excellent
Apparent magnitude: -12.7
กลุ่มดาว: Aquarius
Angular diameter: 12938.6"
Status: Moon illumination 95.2%

Observation tip: Moon illumination 95.2%; good for observing lunar surface detail

Right ascension: 21h53m30s
เดคลิเนชัน: -10°36'38"