September 1988 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

September 1988 mid-month observing conditions

Mercury

Excellent
見かけの等級: 0.2
星座: Libra
Angular diameter: 6.9"
Status: near greatest western elongation

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

赤経: 13h05m51s
赤緯: -09°44'36"

Venus

Excellent
見かけの等級: -4.2
星座: Leo
Angular diameter: 18.8"
Status: near inferior 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: 08h40m38s
赤緯: +17°07'18"

Mars

Excellent
見かけの等級: -2.6
星座: Aries
Angular diameter: 23.6"
Status: near eastern quadrature

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

赤経: 00h40m52s
赤緯: -01°11'29"

Jupiter

Excellent
見かけの等級: -2.5
星座: Gemini
Angular diameter: 42.6"
Status: near eastern 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: 04h17m06s
赤緯: +20°18'58"

Saturn

Excellent
見かけの等級: 0.4
星座: Sagittarius
Angular diameter: 16.7"
Status: near western quadrature

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

赤経: 17h43m14s
赤緯: -22°27'22"

Uranus

Fair
見かけの等級: 5.7
星座: Sagittarius
Angular diameter: 3.7"
Status: near western quadrature

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

赤経: 17h47m15s
赤緯: -23°37'34"

Neptune

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

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

赤経: 18h32m06s
赤緯: -22°16'43"

Moon

Excellent
見かけの等級: -12.7
星座: Scorpius
Angular diameter: 11627.1"
Status: Moon illumination 12.8%

Observation tip: Moon illumination 12.8%; good for observing lunar surface detail

赤経: 14h01m13s
赤緯: -16°39'15"