May 2007 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 1 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 2007 mid-month observing conditions

Mercury

Excellent
视星等: -1.1
星座: Gemini
Angular diameter: 5.6"
Status: near greatest western elongation

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

赤经: 04h20m50s
赤纬: +23°13'57"

Venus

Excellent
视星等: -4.2
星座: Cancer
Angular diameter: 18.3"
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: 06h32m42s
赤纬: +25°53'58"

Mars

Excellent
视星等: 0.9
星座: Aries
Angular diameter: 5.5"
Status: near eastern quadrature

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

赤经: 00h00m44s
赤纬: -01°33'07"

Jupiter

Excellent
视星等: -2.5
星座: Sagittarius
Angular diameter: 45.0"
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

赤经: 17h06m10s
赤纬: -22°07'55"

Saturn

Excellent
视星等: 0.5
星座: Leo
Angular diameter: 18.0"
Status: near western quadrature

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

赤经: 09h26m14s
赤纬: +16°26'26"

Uranus

Fair
视星等: 6.0
星座: Pisces
Angular diameter: 3.4"
Status: near eastern quadrature

Observation tip: A telescope is required; Binoculars or a telescope are recommended

赤经: 23h17m17s
赤纬: -05°24'52"

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: 21h37m49s
赤纬: -14°24'51"

Moon

Excellent
视星等: -12.7
星座: Aries
Angular diameter: 12933.6"
Status: Moon illumination 5.0%

Observation tip: Moon illumination 5.0%; good for observing lunar surface detail

赤经: 01h39m42s
赤纬: +14°09'48"