May 1930 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

24 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 1930 mid-month observing conditions

Mercury

Fair
見かけの等級: 4.6
星座: Taurus
Angular diameter: 11.7"
Status: near superior conjunction

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

赤経: 03h55m54s
赤緯: +20°47'12"

Venus

Excellent
見かけの等級: -3.9
星座: Gemini
Angular diameter: 11.1"
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: 05h05m54s
赤緯: +23°50'33"

Mars

Excellent
見かけの等級: 1.2
星座: Aries
Angular diameter: 4.6"
Status: near eastern quadrature

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

赤経: 00h59m02s
赤緯: +05°07'27"

Jupiter

Excellent
見かけの等級: -2.0
星座: Gemini
Angular diameter: 32.9"
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: 05h17m47s
赤緯: +22°49'07"

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: 18h49m30s
赤緯: -22°13'30"

Uranus

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

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

赤経: 00h51m16s
赤緯: +04°47'06"

Neptune

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

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

赤経: 10h12m20s
赤緯: +11°48'51"

Moon

Excellent
見かけの等級: -12.7
星座: Sagittarius
Angular diameter: 11789.3"
Status: Moon illumination 94.5%

Observation tip: Moon illumination 94.5%; good for observing lunar surface detail

赤経: 17h16m40s
赤緯: -26°57'34"