April 2015 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

22 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 2015 mid-month observing conditions

Mercury

Excellent
見かけの等級: -1.8
星座: Aries
Angular diameter: 5.2"
Status: near greatest western elongation

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

赤経: 01h52m04s
赤緯: +11°28'38"

Venus

Excellent
見かけの等級: -4.1
星座: Gemini
Angular diameter: 15.0"
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: 04h06m18s
赤緯: +22°33'14"

Mars

Excellent
見かけの等級: 1.4
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: 02h32m23s
赤緯: +15°00'20"

Jupiter

Excellent
見かけの等級: -2.2
星座: Leo
Angular diameter: 39.8"
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: 09h01m35s
赤緯: +17°54'57"

Saturn

Excellent
見かけの等級: 0.2
星座: Sagittarius
Angular diameter: 18.1"
Status: near eastern quadrature

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

赤経: 16h10m17s
赤緯: -18°50'23"

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: 01h03m23s
赤緯: +06°04'44"

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: 22h43m15s
赤緯: -08°54'46"

Moon

Excellent
見かけの等級: -12.7
星座: Pisces
Angular diameter: 12765.8"
Status: Moon illumination 19.6%

Observation tip: Moon illumination 19.6%; good for observing lunar surface detail

赤経: 22h12m29s
赤緯: -07°37'45"