September 2004 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 3 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 2004 mid-month observing conditions

Mercury

Excellent
見かけの等級: -0.8
星座: Virgo
Angular diameter: 6.2"
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: 10h33m27s
赤緯: +10°28'40"

Venus

Excellent
見かけの等級: -4.2
星座: Leo
Angular diameter: 18.1"
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: 08h43m46s
赤緯: +17°05'49"

Mars

Excellent
見かけの等級: 1.6
星座: Virgo
Angular diameter: 3.5"
Status: near western quadrature

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

赤経: 11h34m36s
赤緯: +03°47'40"

Jupiter

Excellent
見かけの等級: -1.7
星座: Virgo
Angular diameter: 30.6"
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: 11h53m40s
赤緯: +01°51'39"

Saturn

Excellent
見かけの等級: 0.2
星座: Cancer
Angular diameter: 17.4"
Status: near eastern quadrature

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

赤経: 07h46m39s
赤緯: +21°00'02"

Uranus

Fair
見かけの等級: 5.8
星座: Pisces
Angular diameter: 3.7"
Status: near western quadrature

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

赤経: 22h25m08s
赤緯: -10°45'04"

Neptune

Fair
見かけの等級: 7.7
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: 21h02m00s
赤緯: -16°58'58"

Moon

Excellent
見かけの等級: -12.7
星座: Virgo
Angular diameter: 12088.3"
Status: Moon illumination 0.2%

Observation tip: Moon illumination 0.2%; good for observing lunar surface detail

赤経: 11h54m53s
赤緯: +03°48'41"