April 2019 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

23 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 2019 mid-month observing conditions

Mercury

Excellent
見かけの等級: 0.3
星座: Pisces
Angular diameter: 7.3"
Status: near inferior conjunction

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

赤経: 23h54m05s
赤緯: -03°13'34"

Venus

Excellent
見かけの等級: -3.9
星座: Pisces
Angular diameter: 12.3"
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: 23h37m00s
赤緯: -04°00'22"

Mars

Excellent
見かけの等級: 1.6
星座: Gemini
Angular diameter: 4.4"
Status: near western quadrature

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

赤経: 04h31m37s
赤緯: +22°53'45"

Jupiter

Excellent
見かけの等級: -2.3
星座: Sagittarius
Angular diameter: 41.6"
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: 17h35m22s
赤緯: -22°40'48"

Saturn

Excellent
見かけの等級: 0.5
星座: Capricornus
Angular diameter: 16.7"
Status: near eastern quadrature

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

赤経: 19h27m43s
赤緯: -21°29'58"

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: 02h00m16s
赤緯: +11°43'58"

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: 23h15m45s
赤緯: -05°48'42"

Moon

Excellent
見かけの等級: -12.7
星座: Leo
Angular diameter: 12697.7"
Status: Moon illumination 74.4%

Observation tip: Moon illumination 74.4%; good for observing lunar surface detail

赤経: 09h48m14s
赤緯: +16°05'02"