August 2018 天象

觀測地點:Beijing (39.904°, 116.407°)

每月天象事件總覽

19 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 2018 mid-month observing conditions

Mercury

Good
視星等: 3.0
星座: Leo
Angular diameter: 10.2"
Status: near greatest eastern elongation

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

赤經: 08h55m35s
赤緯: +13°22'45"

Venus

Excellent
視星等: -4.4
星座: Libra
Angular diameter: 23.6"
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: 12h27m29s
赤緯: -04°20'21"

Mars

Excellent
視星等: -2.5
星座: Aquarius
Angular diameter: 23.4"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

赤經: 20h13m20s
赤緯: -26°29'32"

Jupiter

Excellent
視星等: -2.0
星座: Scorpius
Angular diameter: 36.4"
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: 14h51m51s
赤緯: -15°30'16"

Saturn

Excellent
視星等: 0.3
星座: Capricornus
Angular diameter: 17.7"
Status: near western quadrature

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

赤經: 18h12m45s
赤緯: -22°38'41"

Uranus

Fair
視星等: 5.8
星座: Taurus
Angular diameter: 3.6"
Status: near eastern quadrature

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

赤經: 02h02m08s
赤緯: +11°50'10"

Neptune

Fair
視星等: 7.7
星座: Pisces
Angular diameter: 2.4"
Status: near eastern quadrature

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

赤經: 23h08m55s
赤緯: -06°32'56"

Moon

Excellent
視星等: -12.7
星座: Libra
Angular diameter: 12473.7"
Status: Moon illumination 17.4%

Observation tip: Moon illumination 17.4%; good for observing lunar surface detail

赤經: 12h48m51s
赤緯: -00°01'53"