April 2030 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

20 合計天文イベント、含む 4 月相と 2 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 2030 mid-month observing conditions

Mercury

Good
見かけの等級: 2.5
星座: Taurus
Angular diameter: 10.3"
Status: near superior conjunction

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

赤経: 02h17m00s
赤緯: +16°51'07"

Venus

Excellent
見かけの等級: -4.2
星座: Pisces
Angular diameter: 18.6"
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: 22h48m40s
赤緯: -07°58'27"

Mars

Excellent
見かけの等級: 1.3
星座: Taurus
Angular diameter: 3.9"
Status: near western quadrature

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

赤経: 02h11m12s
赤緯: +13°03'14"

Jupiter

Excellent
見かけの等級: -2.4
星座: Scorpius
Angular diameter: 43.6"
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: 15h36m07s
赤緯: -18°06'04"

Saturn

Excellent
見かけの等級: 0.2
星座: Taurus
Angular diameter: 16.7"
Status: near western quadrature

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

赤経: 03h28m34s
赤緯: +16°55'56"

Uranus

Fair
見かけの等級: 5.7
星座: Gemini
Angular diameter: 3.6"
Status: near western quadrature

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

赤経: 04h57m50s
赤緯: +22°43'01"

Neptune

Fair
見かけの等級: 7.8
星座: Aries
Angular diameter: 2.2"
Status: near eastern quadrature

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

赤経: 00h44m02s
赤緯: +03°08'30"

Moon

Excellent
見かけの等級: -12.7
星座: Virgo
Angular diameter: 12475.9"
Status: Moon illumination 86.5%

Observation tip: Moon illumination 86.5%; good for observing lunar surface detail

赤経: 10h46m31s
赤緯: +02°16'47"