January 1904 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 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

January 1904 mid-month observing conditions

Mercury

Fair
見かけの等級: 4.0
星座: Aquarius
Angular diameter: 9.8"
Status: near superior conjunction

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

赤経: 20h02m38s
赤緯: -17°49'26"

Venus

Excellent
見かけの等級: -4.1
星座: Sagittarius
Angular diameter: 16.2"
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: 16h41m32s
赤緯: -19°58'16"

Mars

Excellent
見かけの等級: 1.2
星座: Aquarius
Angular diameter: 4.5"
Status: near western quadrature

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

赤経: 21h55m46s
赤緯: -13°43'57"

Jupiter

Excellent
見かけの等級: -2.2
星座: Pisces
Angular diameter: 36.3"
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: 23h25m35s
赤緯: -04°59'37"

Saturn

Excellent
見かけの等級: 0.7
星座: Aquarius
Angular diameter: 15.3"
Status: near western quadrature

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

赤経: 20h48m56s
赤緯: -18°32'48"

Uranus

Fair
見かけの等級: 5.8
星座: Sagittarius
Angular diameter: 3.5"
Status: near eastern quadrature

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

赤経: 17h48m42s
赤緯: -23°35'04"

Neptune

Fair
見かけの等級: 7.8
星座: Cancer
Angular diameter: 2.4"
Status: near western quadrature

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

赤経: 06h17m26s
赤緯: +22°18'23"

Moon

Excellent
見かけの等級: -12.7
星座: Sagittarius
Angular diameter: 11668.8"
Status: Moon illumination 6.7%

Observation tip: Moon illumination 6.7%; good for observing lunar surface detail

赤経: 17h34m20s
赤緯: -18°18'14"