December 2013 天象

觀測地點:Beijing (39.904°, 116.407°)

每月天象事件總覽

19 天象事件總數,包括 4 月相與 1 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

December 2013 mid-month observing conditions

Mercury

Excellent
視星等: -0.8
星座: Sagittarius
Angular diameter: 4.8"
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

赤經: 16h55m47s
赤緯: -23°00'00"

Venus

Excellent
視星等: -4.9
星座: Aquarius
Angular diameter: 46.8"
Status: near superior 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: 20h01m36s
赤緯: -21°43'31"

Mars

Excellent
視星等: 1.1
星座: Libra
Angular diameter: 6.1"
Status: near eastern quadrature

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

赤經: 12h16m25s
赤緯: +00°23'16"

Jupiter

Excellent
視星等: -2.7
星座: Cancer
Angular diameter: 46.1"
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

赤經: 07h19m06s
赤緯: +22°16'26"

Saturn

Excellent
視星等: 0.6
星座: Scorpius
Angular diameter: 15.6"
Status: near eastern quadrature

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

赤經: 15h07m19s
赤緯: -15°19'20"

Uranus

Fair
視星等: 5.9
星座: Aries
Angular diameter: 3.6"
Status: near western quadrature

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

赤經: 00h32m40s
赤緯: +02°45'58"

Neptune

Fair
視星等: 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

赤經: 22h20m13s
赤緯: -11°04'59"

Moon

Excellent
視星等: -12.7
星座: Taurus
Angular diameter: 11677.5"
Status: Moon illumination 94.7%

Observation tip: Moon illumination 94.7%; good for observing lunar surface detail

赤經: 03h38m51s
赤緯: +17°42'43"