April 2010 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 2010 mid-month observing conditions

Mercury

Excellent
見かけの等級: 1.1
星座: Taurus
Angular diameter: 9.1"
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: 02h34m45s
赤緯: +18°22'05"

Venus

Excellent
見かけの等級: -3.9
星座: Taurus
Angular diameter: 10.9"
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: 03h00m09s
赤緯: +17°08'44"

Mars

Excellent
見かけの等級: 0.4
星座: Leo
Angular diameter: 8.2"
Status: near western quadrature

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

赤経: 08h38m47s
赤緯: +21°00'50"

Jupiter

Excellent
見かけの等級: -2.1
星座: Pisces
Angular diameter: 34.1"
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: 23h26m20s
赤緯: -04°43'23"

Saturn

Excellent
見かけの等級: 0.6
星座: Libra
Angular diameter: 19.3"
Status: near western quadrature

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

赤経: 12h02m13s
赤緯: +02°32'53"

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: 23h54m25s
赤緯: -01°23'24"

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: 22h01m46s
赤緯: -12°32'18"

Moon

Excellent
見かけの等級: -12.7
星座: Aries
Angular diameter: 11893.4"
Status: Moon illumination 0.4%

Observation tip: Moon illumination 0.4%; good for observing lunar surface detail

赤経: 01h46m49s
赤緯: +16°11'48"