December 1988 天象

观测地点:Beijing (39.904°, 116.407°)

月度天象概览

25 天文事件合计,包括 5 月相和 4 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 1988 mid-month observing conditions

Mercury

Excellent
视星等: -0.9
星座: Capricornus
Angular diameter: 4.8"
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: 18h03m31s
赤纬: -25°22'21"

Venus

Excellent
视星等: -3.9
星座: Scorpius
Angular diameter: 11.5"
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

赤经: 15h38m29s
赤纬: -18°00'07"

Mars

Excellent
视星等: -0.5
星座: Aries
Angular diameter: 11.3"
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

赤经: 00h44m19s
赤纬: +04°52'24"

Jupiter

Excellent
视星等: -2.8
星座: Taurus
Angular diameter: 47.9"
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: 03h44m54s
赤纬: +18°49'48"

Saturn

Excellent
视星等: 0.5
星座: Capricornus
Angular diameter: 15.1"
Status: near western quadrature

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

赤经: 18h15m33s
赤纬: -22°39'25"

Uranus

Fair
视星等: 5.8
星座: Capricornus
Angular diameter: 3.5"
Status: near western quadrature

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

赤经: 18h03m11s
赤纬: -23°39'27"

Neptune

Fair
视星等: 7.9
星座: Capricornus
Angular diameter: 2.2"
Status: near western quadrature

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

赤经: 18h40m08s
赤纬: -22°12'47"

Moon

Excellent
视星等: -12.7
星座: Pisces
Angular diameter: 12550.7"
Status: Moon illumination 36.2%

Observation tip: Moon illumination 36.2%; good for observing lunar surface detail

赤经: 22h35m21s
赤纬: -08°58'28"