December 1985 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 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

December 1985 mid-month observing conditions

Mercury

Excellent
视星等: -0.2
星座: Sagittarius
Angular diameter: 7.0"
Status: near greatest eastern elongation

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

赤经: 16h00m56s
赤纬: -18°08'17"

Venus

Excellent
视星等: -3.9
星座: Sagittarius
Angular diameter: 9.9"
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

赤经: 16h52m31s
赤纬: -22°11'11"

Mars

Excellent
视星等: 1.6
星座: Libra
Angular diameter: 4.6"
Status: near eastern quadrature

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

赤经: 13h53m42s
赤纬: -10°29'07"

Jupiter

Excellent
视星等: -2.1
星座: Aquarius
Angular diameter: 35.3"
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: 21h10m07s
赤纬: -17°09'51"

Saturn

Excellent
视星等: 0.5
星座: Sagittarius
Angular diameter: 15.3"
Status: near eastern quadrature

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

赤经: 16h06m29s
赤纬: -19°03'09"

Uranus

Fair
视星等: 5.7
星座: Sagittarius
Angular diameter: 3.5"
Status: near eastern quadrature

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

赤经: 17h09m53s
赤纬: -22°59'53"

Neptune

Fair
视星等: 8.0
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: 18h12m44s
赤纬: -22°20'43"

Moon

Excellent
视星等: -12.7
星座: Aquarius
Angular diameter: 12507.3"
Status: Moon illumination 12.1%

Observation tip: Moon illumination 12.1%; good for observing lunar surface detail

赤经: 20h28m01s
赤纬: -24°23'06"