December 2014 天象

观测地点:Beijing (39.904°, 116.407°)

月度天象概览

19 天文事件合计,包括 4 月相和 1 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 2014 mid-month observing conditions

Mercury

Excellent
视星等: -1.0
星座: Sagittarius
Angular diameter: 4.7"
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

赤经: 17h44m55s
赤纬: -25°00'28"

Venus

Excellent
视星等: -3.9
星座: Capricornus
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: 18h23m41s
赤纬: -24°11'33"

Mars

Excellent
视星等: 1.1
星座: Aquarius
Angular diameter: 5.0"
Status: near western quadrature

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

赤经: 20h42m06s
赤纬: -19°33'46"

Jupiter

Excellent
视星等: -2.3
星座: Leo
Angular diameter: 41.5"
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: 09h40m43s
赤纬: +14°44'06"

Saturn

Excellent
视星等: 0.6
星座: Scorpius
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: 15h49m03s
赤纬: -18°04'20"

Uranus

Fair
视星等: 5.8
星座: Aries
Angular diameter: 3.6"
Status: near western quadrature

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

赤经: 00h47m22s
赤纬: +04°21'14"

Neptune

Fair
视星等: 7.8
星座: Pisces
Angular diameter: 2.3"
Status: near western quadrature

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

赤经: 22h28m34s
赤纬: -10°20'57"

Moon

Excellent
视星等: -12.7
星座: Virgo
Angular diameter: 11577.7"
Status: Moon illumination 45.7%

Observation tip: Moon illumination 45.7%; good for observing lunar surface detail

赤经: 11h49m55s
赤纬: -00°42'18"