August 1987 天象

觀測地點:Beijing (39.904°, 116.407°)

每月天象事件總覽

24 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

August 1987 mid-month observing conditions

Mercury

Excellent
視星等: -1.7
星座: Leo
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: 09h16m08s
赤緯: +17°33'17"

Venus

Excellent
視星等: -3.9
星座: Leo
Angular diameter: 9.7"
Status: near inferior conjunction

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: 09h28m47s
赤緯: +16°10'00"

Mars

Excellent
視星等: 1.7
星座: Leo
Angular diameter: 3.5"
Status: near western quadrature

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

赤經: 09h50m47s
赤緯: +14°15'29"

Jupiter

Excellent
視星等: -2.6
星座: Aries
Angular diameter: 44.0"
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

赤經: 01h52m30s
赤緯: +10°01'49"

Saturn

Excellent
視星等: 0.3
星座: Sagittarius
Angular diameter: 17.3"
Status: near western quadrature

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

赤經: 16h53m38s
赤緯: -21°06'57"

Uranus

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

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

赤經: 17h28m48s
赤緯: -23°24'28"

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: 18h23m51s
赤緯: -22°17'42"

Moon

Excellent
視星等: -12.7
星座: Taurus
Angular diameter: 12091.2"
Status: Moon illumination 63.9%

Observation tip: Moon illumination 63.9%; good for observing lunar surface detail

赤經: 02h09m37s
赤緯: +16°02'24"