January 1923 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 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 1923 mid-month observing conditions

Mercury

Excellent
見かけの等級: -0.4
星座: Aquarius
Angular diameter: 7.2"
Status: near superior 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: 21h00m38s
赤緯: -17°15'10"

Venus

Excellent
見かけの等級: -4.8
星座: Sagittarius
Angular diameter: 32.2"
Status: near greatest eastern 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: 16h31m38s
赤緯: -17°27'45"

Mars

Excellent
見かけの等級: 0.9
星座: Pisces
Angular diameter: 5.8"
Status: near western quadrature

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

赤経: 23h43m30s
赤緯: -02°18'07"

Jupiter

Excellent
見かけの等級: -1.9
星座: Scorpius
Angular diameter: 34.5"
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: 14h52m46s
赤緯: -15°21'52"

Saturn

Excellent
見かけの等級: 0.7
星座: Libra
Angular diameter: 17.5"
Status: near eastern quadrature

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

赤経: 13h17m19s
赤緯: -05°29'05"

Uranus

Fair
見かけの等級: 6.0
星座: Pisces
Angular diameter: 3.4"
Status: near western quadrature

Observation tip: A telescope is required; Binoculars or a telescope are recommended

赤経: 22h50m53s
赤緯: -08°08'55"

Neptune

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

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

赤経: 09h19m40s
赤緯: +15°47'37"

Moon

Excellent
見かけの等級: -12.7
星座: Sagittarius
Angular diameter: 12256.8"
Status: Moon illumination 5.3%

Observation tip: Moon illumination 5.3%; good for observing lunar surface detail

赤経: 17h50m39s
赤緯: -18°22'33"