July 1989 天象

觀測地點:Beijing (39.904°, 116.407°)

每月天象事件總覽

26 天象事件總數,包括 4 月相與 3 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

July 1989 mid-month observing conditions

Mercury

Excellent
視星等: -1.9
星座: Cancer
Angular diameter: 5.1"
Status: near inferior conjunction

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

赤經: 07h20m55s
赤緯: +23°21'46"

Venus

Excellent
視星等: -3.9
星座: Leo
Angular diameter: 11.4"
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: 09h28m01s
赤緯: +16°39'49"

Mars

Excellent
視星等: 1.8
星座: Leo
Angular diameter: 3.7"
Status: near western quadrature

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

赤經: 09h22m08s
赤緯: +16°39'16"

Jupiter

Excellent
視星等: -2.0
星座: Gemini
Angular diameter: 32.9"
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

赤經: 05h45m15s
赤緯: +23°02'31"

Saturn

Excellent
視星等: 0.1
星座: Capricornus
Angular diameter: 18.4"
Status: near western quadrature

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

赤經: 18h42m04s
赤緯: -22°29'14"

Uranus

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

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

赤經: 18h11m07s
赤緯: -23°41'25"

Neptune

Fair
視星等: 7.8
星座: Capricornus
Angular diameter: 2.3"
Status: near western quadrature

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

赤經: 18h46m08s
赤緯: -22°05'00"

Moon

Excellent
視星等: -12.7
星座: Sagittarius
Angular diameter: 11800.6"
Status: Moon illumination 85.0%

Observation tip: Moon illumination 85.0%; good for observing lunar surface detail

赤經: 16h16m55s
赤緯: -26°30'30"