December 1928 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 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 1928 mid-month observing conditions

Mercury

Excellent
見かけの等級: -1.2
星座: Sagittarius
Angular diameter: 4.6"
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: 17h19m40s
赤緯: -24°13'55"

Venus

Excellent
見かけの等級: -4.1
星座: Aquarius
Angular diameter: 15.4"
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: 20h25m28s
赤緯: -21°27'22"

Mars

Excellent
見かけの等級: -1.7
星座: Cancer
Angular diameter: 16.0"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

赤経: 06h09m09s
赤緯: +26°25'38"

Jupiter

Excellent
見かけの等級: -2.7
星座: Aries
Angular diameter: 45.8"
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: 01h55m55s
赤緯: +10°28'20"

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: 17h24m12s
赤緯: -22°00'32"

Uranus

Fair
見かけの等級: 5.9
星座: Aries
Angular diameter: 3.5"
Status: near western quadrature

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

赤経: 00h13m53s
赤緯: +00°43'09"

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: 10h14m21s
赤緯: +11°32'06"

Moon

Excellent
見かけの等級: -12.7
星座: Capricornus
Angular diameter: 11561.1"
Status: Moon illumination 7.0%

Observation tip: Moon illumination 7.0%; good for observing lunar surface detail

赤経: 19h43m04s
赤緯: -25°34'51"