July 1904 天象

观测地点:Beijing (39.904°, 116.407°)

月度天象概览

21 天文事件合计,包括 4 月相和 2 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

July 1904 mid-month observing conditions

Mercury

Excellent
视星等: -1.5
星座: Leo
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

赤经: 08h01m30s
赤纬: +22°19'13"

Venus

Excellent
视星等: -3.9
星座: Cancer
Angular diameter: 9.6"
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

赤经: 07h43m47s
赤纬: +22°14'20"

Mars

Excellent
视星等: 1.6
星座: Cancer
Angular diameter: 3.7"
Status: near eastern quadrature

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

赤经: 06h42m06s
赤纬: +23°52'29"

Jupiter

Excellent
视星等: -2.4
星座: Aries
Angular diameter: 39.8"
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

赤经: 01h46m25s
赤纬: +09°36'14"

Saturn

Excellent
视星等: 0.4
星座: Aquarius
Angular diameter: 18.5"
Status: near eastern quadrature

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

赤经: 21h29m17s
赤纬: -16°01'22"

Uranus

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

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

赤经: 17h46m48s
赤纬: -23°37'13"

Neptune

Fair
视星等: 7.9
星座: Cancer
Angular diameter: 2.2"
Status: near eastern quadrature

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

赤经: 06h27m10s
赤纬: +22°18'47"

Moon

Excellent
视星等: -12.7
星座: Leo
Angular diameter: 12843.9"
Status: Moon illumination 4.6%

Observation tip: Moon illumination 4.6%; good for observing lunar surface detail

赤经: 09h12m37s
赤纬: +13°11'20"