July 2018 天象

觀測地點:Beijing (39.904°, 116.407°)

每月天象事件總覽

21 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 2018 mid-month observing conditions

Mercury

Excellent
視星等: 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

赤經: 09h23m11s
赤緯: +14°16'54"

Venus

Excellent
視星等: -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

赤經: 10h30m51s
赤緯: +10°38'43"

Mars

Excellent
視星等: -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

赤經: 20h45m02s
赤緯: -24°12'50"

Jupiter

Excellent
視星等: -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

赤經: 14h44m58s
赤緯: -14°51'22"

Saturn

Excellent
視星等: 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

赤經: 18h19m56s
赤緯: -22°31'52"

Uranus

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

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

赤經: 02h01m20s
赤緯: +11°46'32"

Neptune

Fair
視星等: 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

赤經: 23h11m09s
赤緯: -06°17'57"

Moon

Excellent
視星等: -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

赤經: 09h27m54s
赤緯: +16°13'48"