October 1984 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

25 合計天文イベント、含む 5 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

October 1984 mid-month observing conditions

Mercury

Excellent
見かけの等級: -1.4
星座: Libra
Angular diameter: 4.7"
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: 13h32m53s
赤緯: -09°03'23"

Venus

Excellent
見かけの等級: -3.9
星座: Scorpius
Angular diameter: 12.4"
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: 15h24m09s
赤緯: -19°22'57"

Mars

Excellent
見かけの等級: 0.3
星座: Capricornus
Angular diameter: 7.5"
Status: near western quadrature

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

赤経: 18h30m06s
赤緯: -25°18'29"

Jupiter

Excellent
見かけの等級: -2.1
星座: Capricornus
Angular diameter: 36.8"
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: 18h27m27s
赤緯: -23°26'19"

Saturn

Excellent
見かけの等級: 0.6
星座: Scorpius
Angular diameter: 15.4"
Status: near western quadrature

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

赤経: 14h56m03s
赤緯: -14°36'28"

Uranus

Fair
見かけの等級: 5.7
星座: Sagittarius
Angular diameter: 3.6"
Status: near western quadrature

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

赤経: 16h37m19s
赤緯: -22°04'21"

Neptune

Fair
見かけの等級: 7.9
星座: Sagittarius
Angular diameter: 2.2"
Status: near western quadrature

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

赤経: 17h55m38s
赤緯: -22°17'36"

Moon

Excellent
見かけの等級: -12.7
星座: Gemini
Angular diameter: 11825.4"
Status: Moon illumination 78.4%

Observation tip: Moon illumination 78.4%; good for observing lunar surface detail

赤経: 05h04m22s
赤緯: +24°34'49"