September 2018 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

21 合計天文イベント、含む 4 月相と 2 惑星イベント。

毎日の天文現象

すべての時刻は現地時間 (Asia/Shanghai)

Group 日付 日の出/日の入り 月の出/月の入り 月相 天文現象

Planetary outlook

September 2018 mid-month observing conditions

Mercury

Excellent
見かけの等級: -1.5
星座: Virgo
Angular diameter: 5.0"
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

赤経: 11h13m48s
赤緯: +06°54'07"

Venus

Excellent
見かけの等級: -4.7
星座: Libra
Angular diameter: 35.7"
Status: near superior conjunction

Observation tip: Very bright, easily visible to the naked eye; Venus is the brightest planet and is best seen at dusk or dawn

赤経: 13h58m55s
赤緯: -17°26'26"

Mars

Excellent
見かけの等級: -1.7
星座: Aquarius
Angular diameter: 18.4"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

赤経: 20h16m51s
赤緯: -24°41'05"

Jupiter

Excellent
見かけの等級: -1.9
星座: Scorpius
Angular diameter: 33.7"
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

赤経: 15h08m11s
赤緯: -16°45'54"

Saturn

Excellent
見かけの等級: 0.4
星座: Capricornus
Angular diameter: 16.9"
Status: near western quadrature

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

赤経: 18h11m16s
赤緯: -22°43'38"

Uranus

Fair
見かけの等級: 5.8
星座: Taurus
Angular diameter: 3.7"
Status: near eastern quadrature

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

赤経: 02h00m02s
赤緯: +11°38'19"

Neptune

Fair
見かけの等級: 7.7
星座: Pisces
Angular diameter: 2.4"
Status: near western quadrature

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

赤経: 23h05m51s
赤緯: -06°52'37"

Moon

Excellent
見かけの等級: -12.7
星座: Scorpius
Angular diameter: 11920.1"
Status: Moon illumination 31.0%

Observation tip: Moon illumination 31.0%; good for observing lunar surface detail

赤経: 15h53m46s
赤緯: -15°29'25"