December 1986 天象

观测地点:Beijing (39.904°, 116.407°)

月度天象概览

26 天文事件合计,包括 5 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

December 1986 mid-month observing conditions

Mercury

Excellent
视星等: -0.6
星座: Sagittarius
Angular diameter: 5.2"
Status: near inferior conjunction

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

赤经: 16h22m08s
赤纬: -20°46'40"

Venus

Excellent
视星等: -4.9
星座: Scorpius
Angular diameter: 38.2"
Status: near greatest eastern 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: 14h38m26s
赤纬: -12°31'27"

Mars

Excellent
视星等: 0.3
星座: Pisces
Angular diameter: 7.7"
Status: near western quadrature

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

赤经: 22h58m24s
赤纬: -07°30'43"

Jupiter

Excellent
视星等: -2.3
星座: Pisces
Angular diameter: 39.5"
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: 23h07m21s
赤纬: -07°00'16"

Saturn

Excellent
视星等: 0.5
星座: Sagittarius
Angular diameter: 15.1"
Status: near eastern quadrature

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

赤经: 16h48m53s
赤纬: -20°56'16"

Uranus

Fair
视星等: 5.8
星座: Sagittarius
Angular diameter: 3.5"
Status: near eastern quadrature

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

赤经: 17h27m37s
赤纬: -23°20'42"

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: 18h21m49s
赤纬: -22°20'01"

Moon

Excellent
视星等: -12.7
星座: Gemini
Angular diameter: 11488.7"
Status: Moon illumination 98.4%

Observation tip: Moon illumination 98.4%; good for observing lunar surface detail

赤经: 04h24m53s
赤纬: +25°32'41"