October 2004 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

22 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

October 2004 mid-month observing conditions

Mercury

Excellent
見かけの等級: -0.9
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: 13h46m00s
赤緯: -10°43'44"

Venus

Excellent
見かけの等級: -4.0
星座: Virgo
Angular diameter: 14.7"
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: 10h59m36s
赤緯: +07°28'25"

Mars

Excellent
見かけの等級: 1.7
星座: Libra
Angular diameter: 3.6"
Status: near eastern quadrature

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

赤経: 12h45m41s
赤緯: -04°02'24"

Jupiter

Excellent
見かけの等級: -1.7
星座: Libra
Angular diameter: 30.9"
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: 12h17m21s
赤緯: -00°41'07"

Saturn

Excellent
見かけの等級: 0.1
星座: Cancer
Angular diameter: 18.3"
Status: near eastern quadrature

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

赤経: 07h55m13s
赤緯: +20°39'48"

Uranus

Fair
見かけの等級: 5.8
星座: Pisces
Angular diameter: 3.6"
Status: near western quadrature

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

赤経: 22h21m39s
赤緯: -11°04'25"

Neptune

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

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

赤経: 21h00m28s
赤緯: -17°05'43"

Moon

Excellent
見かけの等級: -12.7
星座: Scorpius
Angular diameter: 12499.5"
Status: Moon illumination 1.0%

Observation tip: Moon illumination 1.0%; good for observing lunar surface detail

赤経: 14h04m31s
赤緯: -12°45'39"