April 2100 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

25 合計天文イベント、含む 4 月相と 4 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

April 2100 mid-month observing conditions

Mercury

Excellent
見かけの等級: -1.6
星座: Aries
Angular diameter: 5.0"
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: 01h19m36s
赤緯: +07°07'19"

Venus

Excellent
見かけの等級: -4.8
星座: Taurus
Angular diameter: 43.3"
Status: near superior 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: 03h43m09s
赤緯: +25°50'40"

Mars

Excellent
見かけの等級: 1.4
星座: Gemini
Angular diameter: 5.0"
Status: near western quadrature

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

赤経: 05h42m19s
赤緯: +24°52'13"

Jupiter

Excellent
見かけの等級: -2.5
星座: Libra
Angular diameter: 44.2"
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: 13h06m47s
赤緯: -05°23'34"

Saturn

Excellent
見かけの等級: 0.3
星座: Libra
Angular diameter: 19.1"
Status: near western quadrature

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

赤経: 13h29m54s
赤緯: -06°25'52"

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: 01h21m36s
赤緯: +07°57'27"

Neptune

Fair
見かけの等級: 7.7
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: 11h06m11s
赤緯: +06°49'55"

Moon

Excellent
見かけの等級: -12.7
星座: Gemini
Angular diameter: 11699.0"
Status: Moon illumination 24.1%

Observation tip: Moon illumination 24.1%; good for observing lunar surface detail

赤経: 05h31m02s
赤緯: +28°24'12"