May 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 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

May 2031 mid-month observing conditions

Mercury

Excellent
見かけの等級: -0.1
星座: Aries
Angular diameter: 6.5"
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: 01h57m59s
赤緯: +09°02'26"

Venus

Excellent
見かけの等級: -4.2
星座: Cancer
Angular diameter: 19.5"
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

赤経: 06h37m08s
赤緯: +25°58'17"

Mars

Excellent
見かけの等級: -1.7
星座: Scorpius
Angular diameter: 16.9"
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: 14h30m38s
赤緯: -14°45'40"

Jupiter

Excellent
見かけの等級: -2.5
星座: Sagittarius
Angular diameter: 44.6"
Status: near eastern 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: 17h49m51s
赤緯: -22°54'00"

Saturn

Excellent
見かけの等級: 0.1
星座: Gemini
Angular diameter: 16.6"
Status: near western quadrature

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

赤経: 04h34m02s
赤緯: +20°26'12"

Uranus

Fair
見かけの等級: 5.7
星座: Gemini
Angular diameter: 3.5"
Status: near western quadrature

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

赤経: 05h21m57s
赤緯: +23°15'19"

Neptune

Fair
見かけの等級: 7.8
星座: Aries
Angular diameter: 2.2"
Status: near eastern quadrature

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

赤経: 00h55m52s
赤緯: +04°20'14"

Moon

Excellent
見かけの等級: -12.7
星座: Pisces
Angular diameter: 12294.6"
Status: Moon illumination 36.9%

Observation tip: Moon illumination 36.9%; good for observing lunar surface detail

赤経: 22h36m03s
赤緯: -03°14'03"