July 1903 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 5 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 1903 mid-month observing conditions

Mercury

Excellent
視星等: -1.2
星座: Cancer
Angular diameter: 5.6"
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: 06h35m39s
赤緯: +23°18'07"

Venus

Excellent
視星等: -4.5
星座: Virgo
Angular diameter: 25.3"
Status: near superior conjunction

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: 10h34m22s
赤緯: +09°19'54"

Mars

Excellent
視星等: 0.4
星座: Libra
Angular diameter: 7.8"
Status: near western quadrature

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

赤經: 13h04m11s
赤緯: -07°18'09"

Jupiter

Excellent
視星等: -2.6
星座: Pisces
Angular diameter: 44.6"
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: 23h37m30s
赤緯: -03°52'11"

Saturn

Excellent
視星等: 0.3
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

赤經: 20h38m41s
赤緯: -19°05'18"

Uranus

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

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

赤經: 17h27m24s
赤緯: -23°23'04"

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: 06h17m45s
赤緯: +22°20'38"

Moon

Excellent
視星等: -12.7
星座: Pisces
Angular diameter: 11645.8"
Status: Moon illumination 76.8%

Observation tip: Moon illumination 76.8%; good for observing lunar surface detail

赤經: 23h16m47s
赤緯: -02°40'50"