June 1991 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

26 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

June 1991 mid-month observing conditions

Mercury

Excellent
見かけの等級: -2.1
星座: Gemini
Angular diameter: 5.1"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

赤経: 05h19m19s
赤緯: +23°45'58"

Venus

Excellent
見かけの等級: -4.4
星座: Leo
Angular diameter: 23.9"
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: 08h47m08s
赤緯: +20°05'25"

Mars

Excellent
見かけの等級: 1.7
星座: Leo
Angular diameter: 4.3"
Status: near western quadrature

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

赤経: 08h57m27s
赤緯: +18°37'27"

Jupiter

Excellent
見かけの等級: -1.8
星座: Leo
Angular diameter: 33.1"
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: 08h56m06s
赤緯: +18°04'51"

Saturn

Excellent
見かけの等級: 0.4
星座: Aquarius
Angular diameter: 18.1"
Status: near eastern quadrature

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

赤経: 20h34m41s
赤緯: -19°07'09"

Uranus

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

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

赤経: 18h54m52s
赤緯: -23°13'12"

Neptune

Fair
見かけの等級: 7.8
星座: Capricornus
Angular diameter: 2.3"
Status: near eastern quadrature

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

赤経: 19h08m55s
赤緯: -21°40'31"

Moon

Excellent
見かけの等級: -12.7
星座: Leo
Angular diameter: 12874.1"
Status: Moon illumination 9.2%

Observation tip: Moon illumination 9.2%; good for observing lunar surface detail

赤経: 08h02m22s
赤緯: +19°34'21"