July 1998 天象

觀測地點:Beijing (39.904°, 116.407°)

每月天象事件總覽

23 天象事件總數,包括 5 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 1998 mid-month observing conditions

Mercury

Excellent
視星等: 0.4
星座: Leo
Angular diameter: 7.6"
Status: near greatest western elongation

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

赤經: 09h24m59s
赤緯: +14°54'52"

Venus

Excellent
視星等: -3.9
星座: Gemini
Angular diameter: 11.6"
Status: near inferior 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: 05h35m53s
赤緯: +22°23'00"

Mars

Excellent
視星等: 1.6
星座: Cancer
Angular diameter: 3.7"
Status: near eastern quadrature

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

赤經: 06h25m26s
赤緯: +23°58'42"

Jupiter

Excellent
視星等: -2.6
星座: Pisces
Angular diameter: 44.1"
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: 23h54m56s
赤緯: -02°00'09"

Saturn

Excellent
視星等: 0.5
星座: Taurus
Angular diameter: 17.6"
Status: near eastern quadrature

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

赤經: 02h05m39s
赤緯: +10°07'47"

Uranus

Fair
視星等: 5.7
星座: Aquarius
Angular diameter: 3.7"
Status: near eastern quadrature

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

赤經: 20h56m41s
赤緯: -17°58'37"

Neptune

Fair
視星等: 7.7
星座: Aquarius
Angular diameter: 2.3"
Status: near eastern quadrature

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

赤經: 20h12m36s
赤緯: -19°35'19"

Moon

Excellent
視星等: -12.7
星座: Aries
Angular diameter: 12563.4"
Status: Moon illumination 68.5%

Observation tip: Moon illumination 68.5%; good for observing lunar surface detail

赤經: 00h06m40s
赤緯: -01°59'38"