May 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 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 2018 mid-month observing conditions

Mercury

Excellent
見かけの等級: -0.3
星座: Taurus
Angular diameter: 6.2"
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: 02h04m05s
赤緯: +09°49'09"

Venus

Excellent
見かけの等級: -3.9
星座: Gemini
Angular diameter: 12.1"
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: 05h35m58s
赤緯: +24°44'31"

Mars

Excellent
見かけの等級: -0.8
星座: Aquarius
Angular diameter: 12.8"
Status: near eastern quadrature

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

赤経: 20h08m28s
赤緯: -22°08'13"

Jupiter

Excellent
見かけの等級: -2.5
星座: Scorpius
Angular diameter: 44.8"
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: 15h02m00s
赤緯: -15°52'11"

Saturn

Excellent
見かけの等級: 0.3
星座: Capricornus
Angular diameter: 17.8"
Status: near eastern quadrature

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

赤経: 18h37m05s
赤緯: -22°16'25"

Uranus

Fair
見かけの等級: 5.9
星座: Aries
Angular diameter: 3.4"
Status: near eastern quadrature

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

赤経: 01h52m15s
赤緯: +10°58'00"

Neptune

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

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

赤経: 23h10m31s
赤緯: -06°19'15"

Moon

Excellent
見かけの等級: -12.7
星座: Taurus
Angular diameter: 12591.5"
Status: Moon illumination 0.5%

Observation tip: Moon illumination 0.5%; good for observing lunar surface detail

赤経: 03h05m56s
赤緯: +12°16'45"