September 1904 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 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 1904 mid-month observing conditions

Mercury

Fair
見かけの等級: 5.3
星座: Virgo
Angular diameter: 10.5"
Status: near superior conjunction

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

赤経: 11h32m15s
赤緯: -00°46'14"

Venus

Excellent
見かけの等級: -3.9
星座: Libra
Angular diameter: 10.4"
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: 12h39m46s
赤緯: -03°14'04"

Mars

Excellent
見かけの等級: 1.8
星座: Leo
Angular diameter: 3.9"
Status: near eastern quadrature

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

赤経: 09h29m51s
赤緯: +16°04'02"

Jupiter

Excellent
見かけの等級: -2.8
星座: Aries
Angular diameter: 47.9"
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: 01h50m31s
赤緯: +09°43'52"

Saturn

Excellent
見かけの等級: 0.5
星座: Aquarius
Angular diameter: 18.4"
Status: near western quadrature

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

赤経: 21h12m29s
赤緯: -17°23'30"

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: 17h42m31s
赤緯: -23°35'42"

Neptune

Fair
見かけの等級: 7.9
星座: Cancer
Angular diameter: 2.3"
Status: near eastern quadrature

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

赤経: 06h34m30s
赤緯: +22°12'32"

Moon

Excellent
見かけの等級: -12.7
星座: Sagittarius
Angular diameter: 12306.2"
Status: Moon illumination 33.0%

Observation tip: Moon illumination 33.0%; good for observing lunar surface detail

赤経: 16h02m26s
赤緯: -15°31'45"