April 2090 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

21 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 2090 mid-month observing conditions

Mercury

Good
見かけの等級: 3.3
星座: Aries
Angular diameter: 11.4"
Status: near greatest eastern elongation

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

赤経: 00h50m15s
赤緯: +06°13'25"

Venus

Excellent
見かけの等級: -3.9
星座: Taurus
Angular diameter: 11.7"
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: 03h25m33s
赤緯: +19°14'57"

Mars

Excellent
見かけの等級: 1.2
星座: Aries
Angular diameter: 4.0"
Status: near eastern quadrature

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

赤経: 00h43m48s
赤緯: +03°48'36"

Jupiter

Excellent
見かけの等級: -2.4
星座: Sagittarius
Angular diameter: 42.1"
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: 17h15m19s
赤緯: -22°16'30"

Saturn

Excellent
見かけの等級: 0.1
星座: Gemini
Angular diameter: 17.0"
Status: near western quadrature

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

赤経: 04h28m17s
赤緯: +20°12'21"

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: 23h03m06s
赤緯: -06°53'03"

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: 09h40m27s
赤緯: +14°17'48"

Moon

Excellent
見かけの等級: -12.7
星座: Scorpius
Angular diameter: 12693.3"
Status: Moon illumination 99.4%

Observation tip: Moon illumination 99.4%; good for observing lunar surface detail

赤経: 14h10m18s
赤緯: -10°01'04"