May 1989 天象

觀測地點:Beijing (39.904°, 116.407°)

每月天象事件總覽

22 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 1989 mid-month observing conditions

Mercury

Good
視星等: 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

赤經: 04h18m16s
赤緯: +22°24'23"

Venus

Excellent
視星等: -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

赤經: 04h10m26s
赤緯: +21°07'39"

Mars

Excellent
視星等: 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

赤經: 06h43m00s
赤緯: +24°25'56"

Jupiter

Excellent
視星等: -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

赤經: 04h45m06s
赤緯: +21°52'28"

Saturn

Excellent
視星等: 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

赤經: 18h58m32s
赤緯: -22°05'33"

Uranus

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

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

赤經: 18h21m03s
赤緯: -23°36'55"

Neptune

Fair
視星等: 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

赤經: 18h52m23s
赤緯: -21°57'37"

Moon

Excellent
視星等: -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

赤經: 11h22m48s
赤緯: +02°11'08"