January 1939 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

21 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 1939 mid-month observing conditions

Mercury

Excellent
見かけの等級: -0.3
星座: Capricornus
Angular diameter: 5.5"
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: 18h15m38s
赤緯: -23°13'39"

Venus

Excellent
見かけの等級: -4.7
星座: Sagittarius
Angular diameter: 30.1"
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: 16h28m20s
赤緯: -17°33'12"

Mars

Excellent
見かけの等級: 1.3
星座: Scorpius
Angular diameter: 5.2"
Status: near eastern quadrature

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

赤経: 15h15m50s
赤緯: -17°14'27"

Jupiter

Excellent
見かけの等級: -2.1
星座: Pisces
Angular diameter: 34.5"
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: 22h22m19s
赤緯: -11°13'56"

Saturn

Excellent
見かけの等級: 0.7
星座: Aries
Angular diameter: 17.4"
Status: near western quadrature

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

赤経: 00h48m19s
赤緯: +02°32'22"

Uranus

Fair
見かけの等級: 5.7
星座: Taurus
Angular diameter: 3.7"
Status: near western quadrature

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

赤経: 02h46m02s
赤緯: +15°39'31"

Neptune

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

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

赤経: 11h36m58s
赤緯: +03°46'03"

Moon

Excellent
見かけの等級: -12.7
星座: Scorpius
Angular diameter: 11790.2"
Status: Moon illumination 26.0%

Observation tip: Moon illumination 26.0%; good for observing lunar surface detail

赤経: 15h21m58s
赤緯: -17°49'52"