May 1977 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

23 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

May 1977 mid-month observing conditions

Mercury

Excellent
見かけの等級: 1.8
星座: Taurus
Angular diameter: 10.7"
Status: near greatest eastern elongation

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

赤経: 02h13m45s
赤緯: +10°28'21"

Venus

Excellent
見かけの等級: -4.7
星座: Aries
Angular diameter: 36.4"
Status: near greatest eastern 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: 00h50m04s
赤緯: +05°11'06"

Mars

Excellent
見かけの等級: 1.1
星座: Aries
Angular diameter: 4.7"
Status: near eastern quadrature

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

赤経: 00h50m49s
赤緯: +04°10'53"

Jupiter

Excellent
見かけの等級: -2.0
星座: Gemini
Angular diameter: 32.7"
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: 04h29m11s
赤緯: +21°16'24"

Saturn

Excellent
見かけの等級: 0.4
星座: Leo
Angular diameter: 17.8"
Status: near western quadrature

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

赤経: 08h54m46s
赤緯: +18°25'25"

Uranus

Fair
見かけの等級: 5.4
星座: Scorpius
Angular diameter: 4.0"
Status: near western quadrature

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

赤経: 14h27m37s
赤緯: -14°06'45"

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: 16h57m03s
赤緯: -21°06'36"

Moon

Excellent
見かけの等級: -12.7
星座: Aries
Angular diameter: 11578.2"
Status: Moon illumination 8.6%

Observation tip: Moon illumination 8.6%; good for observing lunar surface detail

赤経: 01h13m15s
赤緯: +08°10'23"