January 1984 天文現象

観測地点:Beijing (39.904°, 116.407°)

月間天文現象概要

25 合計天文イベント、含む 4 月相と 1 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 1984 mid-month observing conditions

Mercury

Excellent
見かけの等級: 0.1
星座: Capricornus
Angular diameter: 7.7"
Status: near greatest eastern elongation

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

赤経: 18h06m03s
赤緯: -20°59'21"

Venus

Excellent
見かけの等級: -4.0
星座: Sagittarius
Angular diameter: 14.0"
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: 17h03m31s
赤緯: -21°06'38"

Mars

Excellent
見かけの等級: 1.0
星座: Scorpius
Angular diameter: 6.4"
Status: near eastern quadrature

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

赤経: 14h01m33s
赤緯: -10°35'38"

Jupiter

Excellent
見かけの等級: -1.8
星座: Sagittarius
Angular diameter: 32.0"
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: 17h55m40s
赤緯: -23°07'57"

Saturn

Excellent
見かけの等級: 0.6
星座: Scorpius
Angular diameter: 16.4"
Status: near eastern quadrature

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

赤経: 14h52m55s
赤緯: -14°07'20"

Uranus

Fair
見かけの等級: 5.7
星座: Sagittarius
Angular diameter: 3.6"
Status: near eastern quadrature

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

赤経: 16h41m30s
赤緯: -22°09'45"

Neptune

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

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

赤経: 17h59m22s
赤緯: -22°16'45"

Moon

Excellent
見かけの等級: -12.7
星座: Gemini
Angular diameter: 12306.0"
Status: Moon illumination 83.7%

Observation tip: Moon illumination 83.7%; good for observing lunar surface detail

赤経: 04h18m28s
赤緯: +20°33'48"