April 2023 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 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 2023 mid-month observing conditions

Mercury

Excellent
見かけの等級: 0.6
星座: Taurus
Angular diameter: 8.4"
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: 02h40m41s
赤緯: +18°43'08"

Venus

Excellent
見かけの等級: -4.0
星座: Gemini
Angular diameter: 15.2"
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: 04h08m24s
赤緯: +22°42'47"

Mars

Excellent
見かけの等級: 1.2
星座: Cancer
Angular diameter: 5.9"
Status: near western quadrature

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

赤経: 06h45m50s
赤緯: +24°56'57"

Jupiter

Excellent
見かけの等級: -2.1
星座: Aries
Angular diameter: 33.1"
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: 01h24m49s
赤緯: +07°46'03"

Saturn

Excellent
見かけの等級: 0.9
星座: Pisces
Angular diameter: 16.0"
Status: near eastern quadrature

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

赤経: 22h25m56s
赤緯: -11°16'52"

Uranus

Fair
見かけの等級: 5.9
星座: Taurus
Angular diameter: 3.4"
Status: near western quadrature

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

赤経: 03h00m37s
赤緯: +16°45'22"

Neptune

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

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

赤経: 23h47m59s
赤緯: -02°35'01"

Moon

Excellent
見かけの等級: -12.7
星座: Aquarius
Angular diameter: 12628.5"
Status: Moon illumination 31.9%

Observation tip: Moon illumination 31.9%; good for observing lunar surface detail

赤経: 21h21m27s
赤緯: -20°52'23"