May 1989 天象

观测地点:Beijing (39.904°, 116.407°)

月度天象概览

22 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 1989 mid-month observing conditions

Mercury

Good
视星等: 3.1
星座: Gemini
Angular diameter: 11.1"
Status: near superior conjunction

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

赤经: 04h18m16s
赤纬: +22°24'23"

Venus

Excellent
视星等: -3.9
星座: Gemini
Angular diameter: 9.9"
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: 04h10m26s
赤纬: +21°07'39"

Mars

Excellent
视星等: 1.7
星座: Cancer
Angular diameter: 4.3"
Status: near western quadrature

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

赤经: 06h43m00s
赤纬: +24°25'56"

Jupiter

Excellent
视星等: -2.0
星座: Gemini
Angular diameter: 32.7"
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: 04h45m06s
赤纬: +21°52'28"

Saturn

Excellent
视星等: 0.3
星座: Capricornus
Angular diameter: 17.8"
Status: near eastern quadrature

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

赤经: 18h58m32s
赤纬: -22°05'33"

Uranus

Fair
视星等: 5.6
星座: Capricornus
Angular diameter: 3.8"
Status: near eastern quadrature

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

赤经: 18h21m03s
赤纬: -23°36'55"

Neptune

Fair
视星等: 7.8
星座: Capricornus
Angular diameter: 2.3"
Status: near eastern quadrature

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

赤经: 18h52m23s
赤纬: -21°57'37"

Moon

Excellent
视星等: -12.7
星座: Virgo
Angular diameter: 11506.0"
Status: Moon illumination 72.4%

Observation tip: Moon illumination 72.4%; good for observing lunar surface detail

赤经: 11h22m48s
赤纬: +02°11'08"