October 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 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

October 1998 mid-month observing conditions

Mercury

Excellent
視星等: -0.5
星座: Scorpius
Angular diameter: 4.9"
Status: near greatest western elongation

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

赤經: 14h08m05s
赤緯: -13°36'44"

Venus

Excellent
視星等: -3.9
星座: Libra
Angular diameter: 9.7"
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: 13h06m36s
赤緯: -05°41'09"

Mars

Excellent
視星等: 1.7
星座: Virgo
Angular diameter: 4.3"
Status: near eastern quadrature

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

赤經: 10h27m44s
赤緯: +11°07'36"

Jupiter

Excellent
視星等: -2.8
星座: Pisces
Angular diameter: 48.2"
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: 23h24m11s
赤緯: -05°31'29"

Saturn

Excellent
視星等: 0.1
星座: Aries
Angular diameter: 20.0"
Status: near eastern quadrature

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

赤經: 01h58m49s
赤緯: +09°10'46"

Uranus

Fair
視星等: 5.8
星座: Aquarius
Angular diameter: 3.6"
Status: near western quadrature

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

赤經: 20h45m42s
赤緯: -18°41'35"

Neptune

Fair
視星等: 7.8
星座: Aquarius
Angular diameter: 2.3"
Status: near western quadrature

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

赤經: 20h05m52s
赤緯: -19°57'36"

Moon

Excellent
視星等: -12.7
星座: Leo
Angular diameter: 11814.4"
Status: Moon illumination 25.1%

Observation tip: Moon illumination 25.1%; good for observing lunar surface detail

赤經: 09h34m21s
赤緯: +13°35'18"