December 2039 天象

觀測地點:Beijing (39.904°, 116.407°)

每月天象事件總覽

23 天象事件總數,包括 4 月相與 0 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 2039 mid-month observing conditions

Mercury

Excellent
視星等: -0.7
星座: Sagittarius
Angular diameter: 4.9"
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: 16h38m48s
赤緯: -21°58'07"

Venus

Excellent
視星等: -4.1
星座: Scorpius
Angular diameter: 15.1"
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

赤經: 14h45m30s
赤緯: -13°40'54"

Mars

Excellent
視星等: -1.3
星座: Cancer
Angular diameter: 14.9"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

赤經: 07h22m36s
赤緯: +25°15'53"

Jupiter

Excellent
視星等: -2.0
星座: Libra
Angular diameter: 36.1"
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: 12h02m40s
赤緯: +01°01'30"

Saturn

Excellent
視星等: 0.9
星座: Libra
Angular diameter: 17.0"
Status: near eastern quadrature

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

赤經: 12h43m19s
赤緯: -02°10'07"

Uranus

Fair
視星等: 5.5
星座: Leo
Angular diameter: 4.0"
Status: near eastern quadrature

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

赤經: 08h21m06s
赤緯: +20°05'23"

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: 01h58m02s
赤緯: +10°09'28"

Moon

Excellent
視星等: -12.7
星座: Sagittarius
Angular diameter: 13011.2"
Status: Moon illumination 0.7%

Observation tip: Moon illumination 0.7%; good for observing lunar surface detail

赤經: 16h46m33s
赤緯: -22°22'03"