December 1928 天象

观测地点:Beijing (39.904°, 116.407°)

月度天象概览

23 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 1928 mid-month observing conditions

Mercury

Excellent
视星等: -1.2
星座: Sagittarius
Angular diameter: 4.6"
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

赤经: 17h19m40s
赤纬: -24°13'55"

Venus

Excellent
视星等: -4.1
星座: Aquarius
Angular diameter: 15.4"
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: 20h25m28s
赤纬: -21°27'22"

Mars

Excellent
视星等: -1.7
星座: Cancer
Angular diameter: 16.0"
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

赤经: 06h09m09s
赤纬: +26°25'38"

Jupiter

Excellent
视星等: -2.7
星座: Aries
Angular diameter: 45.8"
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: 01h55m55s
赤纬: +10°28'20"

Saturn

Excellent
视星等: 0.4
星座: Sagittarius
Angular diameter: 15.1"
Status: near eastern quadrature

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

赤经: 17h24m12s
赤纬: -22°00'32"

Uranus

Fair
视星等: 5.9
星座: Aries
Angular diameter: 3.5"
Status: near western quadrature

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

赤经: 00h13m53s
赤纬: +00°43'09"

Neptune

Fair
视星等: 7.9
星座: Virgo
Angular diameter: 2.3"
Status: near eastern quadrature

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

赤经: 10h14m21s
赤纬: +11°32'06"

Moon

Excellent
视星等: -12.7
星座: Capricornus
Angular diameter: 11561.1"
Status: Moon illumination 7.0%

Observation tip: Moon illumination 7.0%; good for observing lunar surface detail

赤经: 19h43m04s
赤纬: -25°34'51"