August 2004 天象

观测地点:Beijing (39.904°, 116.407°)

月度天象概览

24 天文事件合计,包括 4 月相和 4 行星事件。

每日天象

所有时间均为本地时间 (Asia/Shanghai)

Group 日期 日出/日落 月出/月落 月相 天象

Planetary outlook

August 2004 mid-month observing conditions

Mercury

Good
视星等: 2.3
星座: Virgo
Angular diameter: 10.6"
Status: near superior conjunction

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

赤经: 10h30m31s
赤纬: +04°27'36"

Venus

Excellent
视星等: -4.4
星座: Cancer
Angular diameter: 24.3"
Status: near greatest eastern elongation

Observation tip: Very bright, easily visible to the naked eye; Venus is the brightest planet and is best seen at dusk or dawn

赤经: 06h28m56s
赤纬: +19°51'30"

Mars

Excellent
视星等: 1.8
星座: Virgo
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

赤经: 10h21m00s
赤纬: +11°27'42"

Jupiter

Excellent
视星等: -1.7
星座: Virgo
Angular diameter: 31.3"
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

赤经: 11h29m44s
赤纬: +04°27'14"

Saturn

Excellent
视星等: 0.2
星座: Cancer
Angular diameter: 16.8"
Status: near eastern quadrature

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

赤经: 07h32m54s
赤纬: +21°30'21"

Uranus

Fair
视星等: 5.8
星座: Pisces
Angular diameter: 3.7"
Status: near eastern quadrature

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

赤经: 22h29m45s
赤纬: -10°18'25"

Neptune

Fair
视星等: 7.7
星座: Aquarius
Angular diameter: 2.3"
Status: near western quadrature

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

赤经: 21h04m57s
赤纬: -16°45'58"

Moon

Excellent
视星等: -12.7
星座: Leo
Angular diameter: 11641.9"
Status: Moon illumination 1.3%

Observation tip: Moon illumination 1.3%; good for observing lunar surface detail

赤经: 08h57m21s
赤纬: +22°25'44"