May 1998 天象

观测地点:Beijing (39.904°, 116.407°)

月度天象概览

21 天文事件合计,包括 4 月相和 2 行星事件。

每日天象

所有时间均为本地时间 (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
视星等: 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

赤经: 01h55m19s
赤纬: +08°41'04"

Venus

Excellent
视星等: -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

赤经: 00h49m33s
赤纬: +03°22'06"

Mars

Excellent
视星等: 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

赤经: 03h24m09s
赤纬: +18°41'55"

Jupiter

Excellent
视星等: -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

赤经: 23h32m35s
赤纬: -04°06'51"

Saturn

Excellent
视星等: 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

赤经: 01h44m27s
赤纬: +08°22'26"

Uranus

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

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

赤经: 21h01m35s
赤纬: -17°36'18"

Neptune

Fair
视星等: 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

赤经: 20h17m14s
赤纬: -19°20'13"

Moon

Excellent
视星等: -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

赤经: 18h11m55s
赤纬: -18°52'58"