September 2031 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

20 合計天文イベント、含む 4 月相と 1 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 2031 mid-month observing conditions

Mercury

Excellent
見かけの等級: -1.4
星座: Virgo
Angular diameter: 5.2"
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: 11h03m31s
赤緯: +07°59'58"

Venus

Excellent
見かけの等級: -4.8
星座: Leo
Angular diameter: 38.9"
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

赤経: 08h56m30s
赤緯: +11°55'49"

Mars

Excellent
見かけの等級: 0.2
星座: Sagittarius
Angular diameter: 8.1"
Status: near western quadrature

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

赤経: 16h43m46s
赤緯: -24°22'19"

Jupiter

Excellent
見かけの等級: -2.2
星座: Sagittarius
Angular diameter: 38.1"
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: 17h18m40s
赤緯: -22°52'51"

Saturn

Excellent
見かけの等級: -0.0
星座: Gemini
Angular diameter: 18.5"
Status: near eastern quadrature

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

赤経: 05h28m20s
赤緯: +21°42'12"

Uranus

Fair
見かけの等級: 5.6
星座: Gemini
Angular diameter: 3.7"
Status: near eastern quadrature

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

赤経: 05h47m26s
赤緯: +23°32'07"

Neptune

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

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

赤経: 00h57m03s
赤緯: +04°21'06"

Moon

Excellent
見かけの等級: -12.7
星座: Virgo
Angular diameter: 11655.5"
Status: Moon illumination 3.4%

Observation tip: Moon illumination 3.4%; good for observing lunar surface detail

赤経: 10h06m53s
赤緯: +06°17'13"