August 2021 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

27 合計天文イベント、含む 4 月相と 3 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 2021 mid-month observing conditions

Mercury

Excellent
見かけの等級: -0.7
星座: Virgo
Angular diameter: 5.1"
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: 10h31m39s
赤緯: +10°40'28"

Venus

Excellent
見かけの等級: -4.0
星座: Virgo
Angular diameter: 13.6"
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: 11h56m04s
赤緯: +01°15'55"

Mars

Excellent
見かけの等級: 1.8
星座: Virgo
Angular diameter: 3.6"
Status: near western quadrature

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

赤経: 10h48m20s
赤緯: +08°41'22"

Jupiter

Excellent
見かけの等級: -2.9
星座: Pisces
Angular diameter: 49.1"
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: 22h01m54s
赤緯: -13°18'34"

Saturn

Excellent
見かけの等級: 0.3
星座: Aquarius
Angular diameter: 18.6"
Status: near western quadrature

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

赤経: 20h47m37s
赤緯: -18°42'23"

Uranus

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

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

赤経: 02h49m47s
赤緯: +15°52'25"

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: 23h34m33s
赤緯: -04°00'46"

Moon

Excellent
見かけの等級: -12.7
星座: Scorpius
Angular diameter: 12547.5"
Status: Moon illumination 42.8%

Observation tip: Moon illumination 42.8%; good for observing lunar surface detail

赤経: 14h48m43s
赤緯: -14°06'31"