December 1945 天象

觀測地點:Beijing (39.904°, 116.407°)

每月天象事件總覽

24 天象事件總數,包括 4 月相與 3 行星事件。

每日天象事件

所有時間均為當地時間 (Asia/Shanghai)

Group 日期 日出/日落 月出/月落 月相 天象

Planetary outlook

December 1945 mid-month observing conditions

Mercury

Excellent
視星等: 0.8
星座: Sagittarius
Angular diameter: 8.8"
Status: near greatest eastern elongation

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

赤經: 16h23m57s
赤緯: -18°43'14"

Venus

Excellent
視星等: -3.9
星座: Sagittarius
Angular diameter: 10.0"
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

赤經: 16h38m10s
赤緯: -21°34'35"

Mars

Excellent
視星等: -0.9
星座: Leo
Angular diameter: 13.2"
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

赤經: 08h22m22s
赤緯: +22°42'23"

Jupiter

Excellent
視星等: -1.8
星座: Libra
Angular diameter: 33.5"
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

赤經: 13h25m01s
赤緯: -07°37'53"

Saturn

Excellent
視星等: -0.2
星座: Cancer
Angular diameter: 20.3"
Status: near eastern quadrature

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

赤經: 07h41m42s
赤緯: +21°15'10"

Uranus

Fair
視星等: 5.5
星座: Gemini
Angular diameter: 3.9"
Status: near western quadrature

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

赤經: 04h55m23s
赤緯: +22°38'24"

Neptune

Fair
視星等: 7.9
星座: Libra
Angular diameter: 2.2"
Status: near eastern quadrature

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

赤經: 12h33m14s
赤緯: -02°00'34"

Moon

Excellent
視星等: -12.7
星座: Aries
Angular diameter: 12731.5"
Status: Moon illumination 77.5%

Observation tip: Moon illumination 77.5%; good for observing lunar surface detail

赤經: 01h43m32s
赤緯: +05°37'51"