July 1940 天象

观测地点:Beijing (39.904°, 116.407°)

月度天象概览

23 天文事件合计,包括 4 月相和 1 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 1940 mid-month observing conditions

Mercury

Good
视星等: 3.3
星座: Leo
Angular diameter: 11.4"
Status: near superior conjunction

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

赤经: 08h20m07s
赤纬: +15°14'34"

Venus

Excellent
视星等: -4.5
星座: Gemini
Angular diameter: 49.5"
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: 05h47m34s
赤纬: +17°59'19"

Mars

Excellent
视星等: 1.8
星座: Leo
Angular diameter: 3.6"
Status: near western quadrature

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

赤经: 08h40m17s
赤纬: +19°34'07"

Jupiter

Excellent
视星等: -2.3
星座: Taurus
Angular diameter: 37.9"
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: 02h38m13s
赤纬: +14°12'44"

Saturn

Excellent
视星等: 0.4
星座: Taurus
Angular diameter: 17.4"
Status: near eastern quadrature

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

赤经: 02h45m50s
赤纬: +13°34'33"

Uranus

Fair
视星等: 5.8
星座: Taurus
Angular diameter: 3.5"
Status: near eastern quadrature

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

赤经: 03h31m43s
赤纬: +18°48'31"

Neptune

Fair
视星等: 7.9
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

赤经: 11h36m52s
赤纬: +03°49'03"

Moon

Excellent
视星等: -12.7
星座: Scorpius
Angular diameter: 12368.9"
Status: Moon illumination 78.9%

Observation tip: Moon illumination 78.9%; good for observing lunar surface detail

赤经: 15h44m49s
赤纬: -16°18'57"