December 2030 天象

觀測地點:Beijing (39.904°, 116.407°)

每月天象事件總覽

21 天象事件總數,包括 5 月相與 2 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 2030 mid-month observing conditions

Mercury

Fair
視星等: 5.6
星座: Sagittarius
Angular diameter: 9.9"
Status: near superior conjunction

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

赤經: 17h38m17s
赤緯: -21°44'36"

Venus

Excellent
視星等: -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

赤經: 18h29m36s
赤緯: -24°11'47"

Mars

Excellent
視星等: 1.3
星座: Libra
Angular diameter: 5.4"
Status: near eastern quadrature

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

赤經: 12h51m53s
赤緯: -03°44'26"

Jupiter

Excellent
視星等: -1.8
星座: Sagittarius
Angular diameter: 31.3"
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: 16h40m50s
赤緯: -21°36'38"

Saturn

Excellent
視星等: -0.3
星座: Gemini
Angular diameter: 20.4"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Saturn’s rings require a telescope to see clearly

赤經: 04h09m54s
赤緯: +18°56'00"

Uranus

Fair
視星等: 5.5
星座: Gemini
Angular diameter: 3.9"
Status: near western quadrature

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

赤經: 05h19m47s
赤緯: +23°12'28"

Neptune

Fair
視星等: 7.7
星座: Aries
Angular diameter: 2.3"
Status: near western quadrature

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

赤經: 00h41m21s
赤緯: +02°45'47"

Moon

Excellent
視星等: -12.7
星座: Leo
Angular diameter: 11664.4"
Status: Moon illumination 78.5%

Observation tip: Moon illumination 78.5%; good for observing lunar surface detail

赤經: 09h16m21s
赤緯: +10°37'06"