August 2021 天象

觀測地點:Beijing (39.904°, 116.407°)

每月天象事件總覽

27 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 2021 mid-month observing conditions

Mercury

Excellent
視星等: -0.7
星座: Virgo
Angular diameter: 5.1"
Status: near greatest western elongation

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

赤經: 10h31m39s
赤緯: +10°40'28"

Venus

Excellent
視星等: -4.0
星座: Virgo
Angular diameter: 13.6"
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: 11h56m04s
赤緯: +01°15'55"

Mars

Excellent
視星等: 1.8
星座: Virgo
Angular diameter: 3.6"
Status: near western quadrature

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

赤經: 10h48m20s
赤緯: +08°41'22"

Jupiter

Excellent
視星等: -2.9
星座: Pisces
Angular diameter: 49.1"
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: 22h01m54s
赤緯: -13°18'34"

Saturn

Excellent
視星等: 0.3
星座: Aquarius
Angular diameter: 18.6"
Status: near western quadrature

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

赤經: 20h47m37s
赤緯: -18°42'23"

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: 02h49m47s
赤緯: +15°52'25"

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: 23h34m33s
赤緯: -04°00'46"

Moon

Excellent
視星等: -12.7
星座: Scorpius
Angular diameter: 12547.5"
Status: Moon illumination 42.8%

Observation tip: Moon illumination 42.8%; good for observing lunar surface detail

赤經: 14h48m43s
赤緯: -14°06'31"