July 2011 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

17 合計天文イベント、含む 5 月相と 1 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

July 2011 mid-month observing conditions

Mercury

Excellent
見かけの等級: 0.3
星座: Leo
Angular diameter: 7.2"
Status: near greatest western elongation

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

赤経: 09h23m30s
赤緯: +15°28'17"

Venus

Excellent
見かけの等級: -3.9
星座: Cancer
Angular diameter: 9.8"
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: 06h57m45s
赤緯: +23°07'01"

Mars

Excellent
見かけの等級: 1.4
星座: Gemini
Angular diameter: 4.3"
Status: near eastern quadrature

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

赤経: 05h02m36s
赤緯: +22°51'46"

Jupiter

Excellent
見かけの等級: -2.3
星座: Taurus
Angular diameter: 38.5"
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: 02h20m22s
赤緯: +12°42'19"

Saturn

Excellent
見かけの等級: 0.8
星座: Libra
Angular diameter: 17.0"
Status: near western quadrature

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

赤経: 12h45m17s
赤緯: -02°13'08"

Uranus

Fair
見かけの等級: 5.9
星座: Aries
Angular diameter: 3.6"
Status: near eastern quadrature

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

赤経: 00h17m54s
赤緯: +01°07'24"

Neptune

Fair
見かけの等級: 7.7
星座: Pisces
Angular diameter: 2.3"
Status: near eastern quadrature

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

赤経: 22h11m00s
赤緯: -11°48'24"

Moon

Excellent
見かけの等級: -12.7
星座: Capricornus
Angular diameter: 12111.1"
Status: Moon illumination 99.9%

Observation tip: Moon illumination 99.9%; good for observing lunar surface detail

赤経: 19h20m09s
赤緯: -19°53'19"