July 1930 天象

觀測地點:Beijing (39.904°, 116.407°)

每月天象事件總覽

24 天象事件總數,包括 4 月相與 2 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 1930 mid-month observing conditions

Mercury

Excellent
視星等: -2.2
星座: Cancer
Angular diameter: 5.1"
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: 07h33m01s
赤緯: +23°13'08"

Venus

Excellent
視星等: -4.0
星座: Virgo
Angular diameter: 14.6"
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: 10h11m54s
赤緯: +12°45'19"

Mars

Excellent
視星等: 1.1
星座: Taurus
Angular diameter: 5.1"
Status: near eastern quadrature

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

赤經: 03h53m06s
赤緯: +19°41'02"

Jupiter

Excellent
視星等: -1.9
星座: Cancer
Angular diameter: 32.4"
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: 06h17m48s
赤緯: +23°12'45"

Saturn

Excellent
視星等: 0.1
星座: Capricornus
Angular diameter: 18.4"
Status: near western quadrature

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

赤經: 18h32m48s
赤緯: -22°33'46"

Uranus

Fair
視星等: 5.9
星座: Aries
Angular diameter: 3.5"
Status: near eastern quadrature

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

赤經: 00h57m37s
赤緯: +05°25'16"

Neptune

Fair
視星等: 8.0
星座: Virgo
Angular diameter: 2.2"
Status: near western quadrature

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

赤經: 10h16m14s
赤緯: +11°26'26"

Moon

Excellent
視星等: -12.7
星座: Pisces
Angular diameter: 11485.4"
Status: Moon illumination 84.9%

Observation tip: Moon illumination 84.9%; good for observing lunar surface detail

赤經: 22h42m28s
赤緯: -12°24'53"