December 1938 天象

观测地点:Beijing (39.904°, 116.407°)

月度天象概览

17 天文事件合计,包括 4 月相和 1 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 1938 mid-month observing conditions

Mercury

Fair
视星等: 5.5
星座: Sagittarius
Angular diameter: 9.9"
Status: near greatest eastern elongation

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

赤经: 17h21m03s
赤纬: -21°10'43"

Venus

Excellent
视星等: -4.9
星座: Scorpius
Angular diameter: 48.7"
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: 15h12m43s
赤纬: -15°15'29"

Mars

Excellent
视星等: 1.6
星座: Scorpius
Angular diameter: 4.5"
Status: near eastern quadrature

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

赤经: 14h00m19s
赤纬: -11°10'16"

Jupiter

Excellent
视星等: -2.2
星座: Aquarius
Angular diameter: 37.0"
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: 21h59m47s
赤纬: -13°21'30"

Saturn

Excellent
视星等: 0.6
星座: Aries
Angular diameter: 18.4"
Status: near western quadrature

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

赤经: 00h45m19s
赤纬: +02°04'30"

Uranus

Fair
视星等: 5.7
星座: Taurus
Angular diameter: 3.7"
Status: near western quadrature

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

赤经: 02h48m23s
赤纬: +15°49'16"

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: 11h37m13s
赤纬: +03°42'55"

Moon

Excellent
视星等: -12.7
星座: Libra
Angular diameter: 12241.6"
Status: Moon illumination 39.9%

Observation tip: Moon illumination 39.9%; good for observing lunar surface detail

赤经: 12h09m52s
赤纬: -04°57'08"