May 1998 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

May 1998 mid-month observing conditions

Mercury

Excellent
見かけの等級: 0.0
星座: Aries
Angular diameter: 6.7"
Status: near inferior conjunction

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

赤経: 01h55m19s
赤緯: +08°41'04"

Venus

Excellent
見かけの等級: -4.1
星座: Aries
Angular diameter: 15.9"
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: 00h49m33s
赤緯: +03°22'06"

Mars

Excellent
見かけの等級: 1.2
星座: Taurus
Angular diameter: 3.8"
Status: near eastern quadrature

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

赤経: 03h24m09s
赤緯: +18°41'55"

Jupiter

Excellent
見かけの等級: -2.2
星座: Pisces
Angular diameter: 36.6"
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: 23h32m35s
赤緯: -04°06'51"

Saturn

Excellent
見かけの等級: 0.6
星座: Aries
Angular diameter: 16.3"
Status: near eastern quadrature

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

赤経: 01h44m27s
赤緯: +08°22'26"

Uranus

Fair
見かけの等級: 5.8
星座: Aquarius
Angular diameter: 3.6"
Status: near eastern quadrature

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

赤経: 21h01m35s
赤緯: -17°36'18"

Neptune

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

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

赤経: 20h17m14s
赤緯: -19°20'13"

Moon

Excellent
見かけの等級: -12.7
星座: Capricornus
Angular diameter: 11866.8"
Status: Moon illumination 88.9%

Observation tip: Moon illumination 88.9%; good for observing lunar surface detail

赤経: 18h11m55s
赤緯: -18°52'58"