December 2045 天象

观测地点:Beijing (39.904°, 116.407°)

月度天象概览

22 天文事件合计,包括 5 月相和 2 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 2045 mid-month observing conditions

Mercury

Excellent
视星等: -0.5
星座: Sagittarius
Angular diameter: 5.4"
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: 16h18m12s
赤纬: -20°17'41"

Venus

Excellent
视星等: -4.7
星座: Capricornus
Angular diameter: 54.7"
Status: near superior 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: 19h21m59s
赤纬: -22°41'15"

Mars

Excellent
视星等: 1.2
星座: Libra
Angular diameter: 5.8"
Status: near eastern quadrature

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

赤经: 12h30m46s
赤纬: -01°17'06"

Jupiter

Excellent
视星等: -2.3
星座: Pisces
Angular diameter: 38.0"
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: 22h33m06s
赤纬: -10°20'36"

Saturn

Excellent
视星等: 0.5
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: 16h57m00s
赤纬: -21°11'48"

Uranus

Fair
视星等: 5.5
星座: Virgo
Angular diameter: 3.9"
Status: near eastern quadrature

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

赤经: 10h15m36s
赤纬: +11°36'40"

Neptune

Fair
视星等: 7.7
星座: Taurus
Angular diameter: 2.4"
Status: near western quadrature

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

赤经: 02h51m18s
赤纬: +14°31'34"

Moon

Excellent
视星等: -12.7
星座: Pisces
Angular diameter: 11498.4"
Status: Moon illumination 35.7%

Observation tip: Moon illumination 35.7%; good for observing lunar surface detail

赤经: 22h30m47s
赤纬: -07°16'44"