July 1909 天象

觀測地點:Beijing (39.904°, 116.407°)

每月天象事件總覽

25 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

July 1909 mid-month observing conditions

Mercury

Excellent
視星等: -0.3
星座: Cancer
Angular diameter: 6.7"
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: 06h10m16s
赤緯: +21°58'29"

Venus

Excellent
視星等: -3.9
星座: Leo
Angular diameter: 10.6"
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: 09h02m05s
赤緯: +18°31'18"

Mars

Excellent
視星等: -1.2
星座: Pisces
Angular diameter: 15.2"
Status: near eastern quadrature

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

赤經: 23h57m12s
赤緯: -04°51'14"

Jupiter

Excellent
視星等: -1.8
星座: Virgo
Angular diameter: 32.7"
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: 10h54m24s
赤緯: +08°11'04"

Saturn

Excellent
視星等: 0.6
星座: Aries
Angular diameter: 17.8"
Status: near eastern quadrature

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

赤經: 01h28m12s
赤緯: +06°34'30"

Uranus

Fair
視星等: 5.7
星座: Capricornus
Angular diameter: 3.8"
Status: near western quadrature

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

赤經: 19h22m29s
赤緯: -22°34'33"

Neptune

Fair
視星等: 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

赤經: 07h13m26s
赤緯: +21°40'30"

Moon

Excellent
視星等: -12.7
星座: Gemini
Angular diameter: 12185.8"
Status: Moon illumination 6.6%

Observation tip: Moon illumination 6.6%; good for observing lunar surface detail

赤經: 05h25m53s
赤緯: +23°45'07"