April 1980 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

20 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

April 1980 mid-month observing conditions

Mercury

Excellent
見かけの等級: -0.0
星座: Aries
Angular diameter: 6.3"
Status: near inferior conjunction

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

赤経: 00h05m54s
赤緯: -02°12'01"

Venus

Excellent
見かけの等級: -4.6
星座: Gemini
Angular diameter: 26.1"
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: 04h33m38s
赤緯: +25°49'28"

Mars

Excellent
見かけの等級: -0.2
星座: Leo
Angular diameter: 10.5"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

赤経: 09h57m58s
赤緯: +15°16'21"

Jupiter

Excellent
見かけの等級: -2.3
星座: Virgo
Angular diameter: 41.4"
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: 10h11m52s
赤緯: +12°30'14"

Saturn

Excellent
見かけの等級: 0.7
星座: Virgo
Angular diameter: 19.3"
Status: near western quadrature

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

赤経: 11h32m00s
赤緯: +05°37'52"

Uranus

Fair
見かけの等級: 5.5
星座: Scorpius
Angular diameter: 3.9"
Status: near eastern quadrature

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

赤経: 15h29m42s
赤緯: -18°40'04"

Neptune

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

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

赤経: 17h27m54s
赤緯: -21°50'15"

Moon

Excellent
見かけの等級: -12.7
星座: Aries
Angular diameter: 12969.1"
Status: Moon illumination 0.2%

Observation tip: Moon illumination 0.2%; good for observing lunar surface detail

赤経: 01h31m08s
赤緯: +05°01'57"