August 2017 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

21 合計天文イベント、含む 4 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

August 2017 mid-month observing conditions

Mercury

Excellent
見かけの等級: 1.5
星座: Virgo
Angular diameter: 10.1"
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: 10h45m10s
赤緯: +03°20'53"

Venus

Excellent
見かけの等級: -3.9
星座: Cancer
Angular diameter: 13.5"
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: 07h12m12s
赤緯: +21°33'36"

Mars

Excellent
見かけの等級: 1.7
星座: Leo
Angular diameter: 3.5"
Status: near eastern quadrature

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

赤経: 09h16m42s
赤緯: +17°01'04"

Jupiter

Excellent
見かけの等級: -1.8
星座: Libra
Angular diameter: 33.2"
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: 13h12m07s
赤緯: -06°24'30"

Saturn

Excellent
見かけの等級: 0.3
星座: Sagittarius
Angular diameter: 17.4"
Status: near western quadrature

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

赤経: 17h22m20s
赤緯: -21°56'22"

Uranus

Fair
見かけの等級: 5.8
星座: Aries
Angular diameter: 3.6"
Status: near eastern quadrature

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

赤経: 01h46m39s
赤緯: +10°22'41"

Neptune

Fair
見かけの等級: 7.7
星座: Pisces
Angular diameter: 2.4"
Status: near eastern quadrature

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

赤経: 23h00m19s
赤緯: -07°22'45"

Moon

Excellent
見かけの等級: -12.7
星座: Taurus
Angular diameter: 12524.3"
Status: Moon illumination 50.7%

Observation tip: Moon illumination 50.7%; good for observing lunar surface detail

赤経: 03h22m39s
赤緯: +13°04'38"