May 1998 天象

觀測地點:Beijing (39.904°, 116.407°)

每月天象事件總覽

21 天象事件總數,包括 4 月相與 2 行星事件。

每日天象事件

所有時間均為當地時間 (Asia/Shanghai)

Group 日期 日出/日落 月出/月落 月相 天象

Planetary outlook

May 1998 mid-month observing conditions

Mercury

Excellent
視星等: 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

赤經: 01h55m19s
赤緯: +08°41'04"

Venus

Excellent
視星等: -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

赤經: 00h49m33s
赤緯: +03°22'06"

Mars

Excellent
視星等: 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

赤經: 03h24m09s
赤緯: +18°41'55"

Jupiter

Excellent
視星等: -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

赤經: 23h32m35s
赤緯: -04°06'51"

Saturn

Excellent
視星等: 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

赤經: 01h44m27s
赤緯: +08°22'26"

Uranus

Fair
視星等: 5.8
星座: Aquarius
Angular diameter: 3.6"
Status: near eastern quadrature

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

赤經: 21h01m35s
赤緯: -17°36'18"

Neptune

Fair
視星等: 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

赤經: 20h17m14s
赤緯: -19°20'13"

Moon

Excellent
視星等: -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

赤經: 18h11m55s
赤緯: -18°52'58"