July 2018 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 2018 mid-month observing conditions

Mercury

Excellent
视星等: 0.6
星座: Leo
Angular diameter: 8.4"
Status: near superior conjunction

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

赤经: 09h23m11s
赤纬: +14°16'54"

Venus

Excellent
视星等: -4.2
星座: Virgo
Angular diameter: 17.5"
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: 10h30m51s
赤纬: +10°38'43"

Mars

Excellent
视星等: -2.6
星座: Aquarius
Angular diameter: 23.2"
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

赤经: 20h45m02s
赤纬: -24°12'50"

Jupiter

Excellent
视星等: -2.2
星座: Scorpius
Angular diameter: 39.8"
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

赤经: 14h44m58s
赤纬: -14°51'22"

Saturn

Excellent
视星等: 0.1
星座: Capricornus
Angular diameter: 18.3"
Status: near western quadrature

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

赤经: 18h19m56s
赤纬: -22°31'52"

Uranus

Fair
视星等: 5.9
星座: Taurus
Angular diameter: 3.5"
Status: near eastern quadrature

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

赤经: 02h01m20s
赤纬: +11°46'32"

Neptune

Fair
视星等: 7.7
星座: Pisces
Angular diameter: 2.3"
Status: near eastern quadrature

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

赤经: 23h11m09s
赤纬: -06°17'57"

Moon

Excellent
视星等: -12.7
星座: Leo
Angular diameter: 12923.1"
Status: Moon illumination 5.4%

Observation tip: Moon illumination 5.4%; good for observing lunar surface detail

赤经: 09h27m54s
赤纬: +16°13'48"