May 2091 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 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

May 2091 mid-month observing conditions

Mercury

Excellent
見かけの等級: -1.0
星座: Taurus
Angular diameter: 5.4"
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: 02h35m26s
赤緯: +13°34'00"

Venus

Excellent
見かけの等級: -3.9
星座: Taurus
Angular diameter: 10.4"
Status: near inferior 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: 02h14m07s
赤緯: +11°55'50"

Mars

Excellent
見かけの等級: 0.2
星座: Virgo
Angular diameter: 9.1"
Status: near western quadrature

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

赤経: 10h51m11s
赤緯: +09°01'47"

Jupiter

Excellent
見かけの等級: -2.5
星座: Capricornus
Angular diameter: 42.9"
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: 19h36m26s
赤緯: -21°36'51"

Saturn

Excellent
見かけの等級: 0.1
星座: Gemini
Angular diameter: 16.8"
Status: near western quadrature

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

赤経: 05h35m48s
赤緯: +22°16'59"

Uranus

Fair
見かけの等級: 6.0
星座: Pisces
Angular diameter: 3.4"
Status: near eastern quadrature

Observation tip: A telescope is required; Binoculars or a telescope are recommended

赤経: 23h21m32s
赤緯: -04°57'44"

Neptune

Fair
見かけの等級: 7.8
星座: Leo
Angular diameter: 2.3"
Status: near western quadrature

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

赤経: 09h48m52s
赤緯: +13°39'07"

Moon

Excellent
見かけの等級: -12.7
星座: Aries
Angular diameter: 11461.2"
Status: Moon illumination 11.2%

Observation tip: Moon illumination 11.2%; good for observing lunar surface detail

赤経: 01h01m47s
赤緯: +03°19'13"