September 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 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

September 1984 mid-month observing conditions

Mercury

Excellent
見かけの等級: -0.4
星座: Virgo
Angular diameter: 7.0"
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: 10h26m26s
赤緯: +10°30'51"

Venus

Excellent
見かけの等級: -3.9
星座: Libra
Angular diameter: 11.1"
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: 13h03m25s
赤緯: -06°01'45"

Mars

Excellent
見かけの等級: 0.1
星座: Sagittarius
Angular diameter: 8.6"
Status: near western quadrature

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

赤経: 17h00m31s
赤緯: -25°02'12"

Jupiter

Excellent
見かけの等級: -2.3
星座: Capricornus
Angular diameter: 40.2"
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: 18h15m24s
赤緯: -23°29'43"

Saturn

Excellent
見かけの等級: 0.6
星座: Scorpius
Angular diameter: 15.8"
Status: near western quadrature

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

赤経: 14h44m01s
赤緯: -13°38'05"

Uranus

Fair
見かけの等級: 5.6
星座: Sagittarius
Angular diameter: 3.7"
Status: near western quadrature

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

赤経: 16h32m52s
赤緯: -21°55'01"

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: 17h54m12s
赤緯: -22°16'02"

Moon

Excellent
見かけの等級: -12.7
星座: Taurus
Angular diameter: 11582.2"
Status: Moon illumination 81.3%

Observation tip: Moon illumination 81.3%; good for observing lunar surface detail

赤経: 02h46m28s
赤緯: +14°36'01"