April 2012 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

16 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 2012 mid-month observing conditions

Mercury

Excellent
見かけの等級: 0.6
星座: Pisces
Angular diameter: 8.4"
Status: near greatest eastern elongation

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

赤経: 23h57m04s
赤緯: -02°26'24"

Venus

Excellent
見かけの等級: -4.6
星座: Gemini
Angular diameter: 29.6"
Status: near superior 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: 04h29m43s
赤緯: +26°10'47"

Mars

Excellent
見かけの等級: -0.4
星座: Virgo
Angular diameter: 11.3"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

赤経: 10h26m24s
赤緯: +12°41'02"

Jupiter

Excellent
見かけの等級: -2.0
星座: Taurus
Angular diameter: 33.3"
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: 02h57m00s
赤緯: +15°57'07"

Saturn

Excellent
見かけの等級: 0.3
星座: Libra
Angular diameter: 19.1"
Status: near eastern quadrature

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

赤経: 13h41m23s
赤緯: -07°32'39"

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: 00h22m03s
赤緯: +01°37'59"

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: 22h18m35s
赤緯: -11°07'16"

Moon

Excellent
見かけの等級: -12.7
星座: Aquarius
Angular diameter: 11992.6"
Status: Moon illumination 34.0%

Observation tip: Moon illumination 34.0%; good for observing lunar surface detail

赤経: 21h01m15s
赤緯: -11°56'10"