December 1902 天象

观测地点:Beijing (39.904°, 116.407°)

月度天象概览

21 天文事件合计,包括 4 月相和 3 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 1902 mid-month observing conditions

Mercury

Excellent
视星等: -1.3
星座: Sagittarius
Angular diameter: 4.6"
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: 17h31m15s
赤纬: -24°42'45"

Venus

Excellent
视星等: -3.9
星座: Sagittarius
Angular diameter: 9.8"
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

赤经: 17h42m14s
赤纬: -23°46'12"

Mars

Excellent
视星等: 0.9
星座: Virgo
Angular diameter: 6.5"
Status: near eastern quadrature

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

赤经: 11h54m44s
赤纬: +02°53'54"

Jupiter

Excellent
视星等: -2.1
星座: Aquarius
Angular diameter: 35.4"
Status: near western 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: 21h10m33s
赤纬: -17°09'32"

Saturn

Excellent
视星等: 0.7
星座: Capricornus
Angular diameter: 15.4"
Status: near western quadrature

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

赤经: 19h51m45s
赤纬: -21°13'14"

Uranus

Fair
视星等: 5.8
星座: Sagittarius
Angular diameter: 3.5"
Status: near eastern quadrature

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

赤经: 17h23m01s
赤纬: -23°16'43"

Neptune

Fair
视星等: 7.8
星座: Cancer
Angular diameter: 2.4"
Status: near eastern quadrature

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

赤经: 06h11m13s
赤纬: +22°16'47"

Moon

Excellent
视星等: -12.7
星座: Gemini
Angular diameter: 13029.2"
Status: Moon illumination 99.8%

Observation tip: Moon illumination 99.8%; good for observing lunar surface detail

赤经: 05h17m07s
赤纬: +18°50'57"