April 2091 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

April 2091 mid-month observing conditions

Mercury

Excellent
見かけの等級: 0.5
星座: Pisces
Angular diameter: 8.3"
Status: near greatest eastern elongation

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

赤経: 23h55m59s
赤緯: -02°33'26"

Venus

Excellent
見かけの等級: -3.9
星座: Pisces
Angular diameter: 11.4"
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: 23h57m34s
赤緯: -01°53'51"

Mars

Excellent
見かけの等級: -0.5
星座: Virgo
Angular diameter: 11.6"
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: 10h37m19s
赤緯: +11°39'13"

Jupiter

Excellent
見かけの等級: -2.2
星座: Capricornus
Angular diameter: 39.0"
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: 19h32m37s
赤緯: -21°41'42"

Saturn

Excellent
見かけの等級: 0.1
星座: Gemini
Angular diameter: 17.4"
Status: near western quadrature

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

赤経: 05h22m02s
赤緯: +22°02'04"

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: 23h17m03s
赤緯: -05°25'21"

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: 09h49m12s
赤緯: +13°37'29"

Moon

Excellent
見かけの等級: -12.7
星座: Pisces
Angular diameter: 11529.1"
Status: Moon illumination 13.0%

Observation tip: Moon illumination 13.0%; good for observing lunar surface detail

赤経: 22h58m03s
赤緯: -06°47'38"