April 2099 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

26 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 2099 mid-month observing conditions

Mercury

Excellent
見かけの等級: -0.4
星座: Aries
Angular diameter: 5.6"
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: 00h27m22s
赤緯: +00°19'28"

Venus

Excellent
見かけの等級: -3.9
星座: Pisces
Angular diameter: 11.3"
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: 23h59m53s
赤緯: -01°39'12"

Mars

Excellent
見かけの等級: 0.6
星座: Aquarius
Angular diameter: 6.8"
Status: near eastern quadrature

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

赤経: 20h58m15s
赤緯: -18°28'14"

Jupiter

Excellent
見かけの等級: -2.4
星座: Virgo
Angular diameter: 42.6"
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: 11h03m56s
赤緯: +07°32'14"

Saturn

Excellent
見かけの等級: 0.5
星座: Libra
Angular diameter: 19.3"
Status: near western quadrature

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

赤経: 12h40m11s
赤緯: -01°24'02"

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: 01h07m37s
赤緯: +06°30'59"

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: 10h57m44s
赤緯: +07°38'33"

Moon

Excellent
見かけの等級: -12.7
星座: Aquarius
Angular diameter: 11500.4"
Status: Moon illumination 26.6%

Observation tip: Moon illumination 26.6%; good for observing lunar surface detail

赤経: 21h48m16s
赤緯: -17°00'07"