December 1957 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 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

December 1957 mid-month observing conditions

Mercury

Excellent
見かけの等級: 0.1
星座: Capricornus
Angular diameter: 8.0"
Status: near superior conjunction

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

赤経: 18h49m41s
赤緯: -23°54'12"

Venus

Excellent
見かけの等級: -4.8
星座: Aquarius
Angular diameter: 35.4"
Status: near superior 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: 20h37m33s
赤緯: -20°24'03"

Mars

Excellent
見かけの等級: 1.6
星座: Scorpius
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: 15h28m35s
赤緯: -18°38'15"

Jupiter

Excellent
見かけの等級: -1.8
星座: Libra
Angular diameter: 33.2"
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: 13h38m38s
赤緯: -08°58'43"

Saturn

Excellent
見かけの等級: 0.4
星座: Sagittarius
Angular diameter: 15.1"
Status: near eastern quadrature

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

赤経: 17h06m03s
赤緯: -21°30'50"

Uranus

Fair
見かけの等級: 5.4
星座: Leo
Angular diameter: 4.0"
Status: near eastern quadrature

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

赤経: 08h55m53s
赤緯: +18°01'01"

Neptune

Fair
見かけの等級: 8.0
星座: Scorpius
Angular diameter: 2.2"
Status: near eastern quadrature

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

赤経: 14h09m30s
赤緯: -11°14'55"

Moon

Excellent
見かけの等級: -12.7
星座: Libra
Angular diameter: 12560.0"
Status: Moon illumination 41.5%

Observation tip: Moon illumination 41.5%; good for observing lunar surface detail

赤経: 12h05m01s
赤緯: -03°56'34"