December 2002 天象

观测地点:Beijing (39.904°, 116.407°)

月度天象概览

26 天文事件合计,包括 4 月相和 2 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 2002 mid-month observing conditions

Mercury

Excellent
视星等: -0.6
星座: Capricornus
Angular diameter: 5.4"
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: 18h41m02s
赤纬: -25°23'44"

Venus

Excellent
视星等: -4.8
星座: Scorpius
Angular diameter: 35.4"
Status: near greatest eastern 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: 14h32m01s
赤纬: -11°59'16"

Mars

Excellent
视星等: 1.6
星座: Scorpius
Angular diameter: 4.3"
Status: near eastern quadrature

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

赤经: 14h26m00s
赤纬: -13°36'31"

Jupiter

Excellent
视星等: -2.4
星座: Leo
Angular diameter: 42.2"
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: 09h22m21s
赤纬: +16°08'02"

Saturn

Excellent
视星等: -0.5
星座: Gemini
Angular diameter: 20.6"
Status: near eastern quadrature

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

赤经: 05h41m58s
赤纬: +22°03'27"

Uranus

Fair
视星等: 5.9
星座: Aquarius
Angular diameter: 3.4"
Status: near western quadrature

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

赤经: 21h52m28s
赤纬: -13°40'15"

Neptune

Fair
视星等: 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

赤经: 20h45m48s
赤纬: -17°57'27"

Moon

Excellent
视星等: -12.7
星座: Aries
Angular diameter: 11500.6"
Status: Moon illumination 79.7%

Observation tip: Moon illumination 79.7%; good for observing lunar surface detail

赤经: 01h53m12s
赤纬: +08°01'19"