October 1987 天象

观测地点:Beijing (39.904°, 116.407°)

月度天象概览

24 天文事件合计,包括 4 月相和 3 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

October 1987 mid-month observing conditions

Mercury

Excellent
视星等: 0.4
星座: Scorpius
Angular diameter: 8.3"
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: 14h38m05s
赤纬: -18°55'34"

Venus

Excellent
视星等: -3.9
星座: Scorpius
Angular diameter: 10.1"
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: 14h12m11s
赤纬: -12°42'54"

Mars

Excellent
视星等: 1.8
星座: Libra
Angular diameter: 3.6"
Status: near eastern quadrature

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

赤经: 12h16m09s
赤纬: -00°40'56"

Jupiter

Excellent
视星等: -2.9
星座: Aries
Angular diameter: 49.8"
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: 01h35m36s
赤纬: +08°15'47"

Saturn

Excellent
视星等: 0.5
星座: Sagittarius
Angular diameter: 15.7"
Status: near western quadrature

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

赤经: 17h04m02s
赤纬: -21°34'03"

Uranus

Fair
视星等: 5.7
星座: Sagittarius
Angular diameter: 3.6"
Status: near western quadrature

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

赤经: 17h31m40s
赤纬: -23°26'35"

Neptune

Fair
视星等: 7.9
星座: Capricornus
Angular diameter: 2.2"
Status: near western quadrature

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

赤经: 18h23m31s
赤纬: -22°20'24"

Moon

Excellent
视星等: -12.7
星座: Cancer
Angular diameter: 11519.7"
Status: Moon illumination 47.8%

Observation tip: Moon illumination 47.8%; good for observing lunar surface detail

赤经: 07h46m22s
赤纬: +26°10'02"