May 2002 天象

观测地点:Beijing (39.904°, 116.407°)

月度天象概览

23 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 2002 mid-month observing conditions

Mercury

Good
视星等: 2.2
星座: Gemini
Angular diameter: 10.4"
Status: near superior conjunction

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

赤经: 04h32m18s
赤纬: +23°25'57"

Venus

Excellent
视星等: -3.9
星座: Gemini
Angular diameter: 11.9"
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

赤经: 05h30m35s
赤纬: +24°36'25"

Mars

Excellent
视星等: 1.7
星座: Gemini
Angular diameter: 3.9"
Status: near western quadrature

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

赤经: 05h20m51s
赤纬: +24°02'36"

Jupiter

Excellent
视星等: -1.9
星座: Cancer
Angular diameter: 33.9"
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

赤经: 06h57m57s
赤纬: +22°59'59"

Saturn

Excellent
视星等: 0.1
星座: Gemini
Angular diameter: 16.6"
Status: near western quadrature

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

赤经: 04h56m20s
赤纬: +21°17'45"

Uranus

Fair
视星等: 5.9
星座: Pisces
Angular diameter: 3.5"
Status: near eastern quadrature

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

赤经: 22h04m22s
赤纬: -12°36'59"

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: 20h53m38s
赤纬: -17°23'39"

Moon

Excellent
视星等: -12.7
星座: Gemini
Angular diameter: 11984.5"
Status: Moon illumination 6.6%

Observation tip: Moon illumination 6.6%; good for observing lunar surface detail

赤经: 05h32m44s
赤纬: +23°49'48"