December 2003 天象

觀測地點:Beijing (39.904°, 116.407°)

每月天象事件總覽

22 天象事件總數,包括 4 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 2003 mid-month observing conditions

Mercury

Excellent
視星等: -0.1
星座: Capricornus
Angular diameter: 7.7"
Status: near superior 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: 18h52m29s
赤緯: -24°05'26"

Venus

Excellent
視星等: -3.9
星座: Capricornus
Angular diameter: 12.0"
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: 19h37m20s
赤緯: -23°18'35"

Mars

Excellent
視星等: -0.1
星座: Pisces
Angular diameter: 9.7"
Status: near western quadrature

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

赤經: 23h57m20s
赤緯: -00°43'19"

Jupiter

Excellent
視星等: -2.1
星座: Virgo
Angular diameter: 37.6"
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: 11h18m38s
赤緯: +05°40'45"

Saturn

Excellent
視星等: -0.3
星座: Cancer
Angular diameter: 20.5"
Status: near eastern quadrature

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

赤經: 06h48m06s
赤緯: +22°16'50"

Uranus

Fair
視星等: 5.9
星座: Pisces
Angular diameter: 3.5"
Status: near western quadrature

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

赤經: 22h07m20s
赤緯: -12°21'31"

Neptune

Fair
視星等: 7.8
星座: Aquarius
Angular diameter: 2.2"
Status: near western quadrature

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

赤經: 20h54m31s
赤緯: -17°26'49"

Moon

Excellent
視星等: -12.7
星座: Virgo
Angular diameter: 11963.6"
Status: Moon illumination 68.0%

Observation tip: Moon illumination 68.0%; good for observing lunar surface detail

赤經: 10h21m47s
赤緯: +15°41'13"