August 1981 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 1981 mid-month observing conditions

Mercury

Excellent
見かけの等級: -1.5
星座: Leo
Angular diameter: 4.9"
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: 09h59m23s
赤緯: +14°07'00"

Venus

Excellent
見かけの等級: -3.9
星座: Virgo
Angular diameter: 12.8"
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: 11h45m50s
赤緯: +02°33'37"

Mars

Excellent
見かけの等級: 1.6
星座: Cancer
Angular diameter: 4.1"
Status: near eastern quadrature

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

赤経: 07h19m57s
赤緯: +22°56'51"

Jupiter

Excellent
見かけの等級: -1.8
星座: Libra
Angular diameter: 32.3"
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: 12h32m57s
赤緯: -02°17'34"

Saturn

Excellent
見かけの等級: 0.9
星座: Libra
Angular diameter: 16.2"
Status: near western quadrature

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

赤経: 12h28m43s
赤緯: -00°38'13"

Uranus

Fair
見かけの等級: 5.6
星座: Scorpius
Angular diameter: 3.8"
Status: near western quadrature

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

赤経: 15h35m19s
赤緯: -19°05'11"

Neptune

Fair
見かけの等級: 7.9
星座: Sagittarius
Angular diameter: 2.3"
Status: near western quadrature

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

赤経: 17h26m18s
赤緯: -21°52'40"

Moon

Excellent
見かけの等級: -12.7
星座: Aquarius
Angular diameter: 12095.6"
Status: Moon illumination 99.4%

Observation tip: Moon illumination 99.4%; good for observing lunar surface detail

赤経: 21h05m26s
赤緯: -17°47'18"