December 1948 天象

觀測地點:Beijing (39.904°, 116.407°)

每月天象事件總覽

26 天象事件總數,包括 4 月相與 2 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 1948 mid-month observing conditions

Mercury

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

赤經: 17h34m14s
赤緯: -24°44'09"

Venus

Excellent
視星等: -4.0
星座: Scorpius
Angular diameter: 12.0"
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: 15h25m44s
赤緯: -17°04'58"

Mars

Excellent
視星等: 1.2
星座: Capricornus
Angular diameter: 4.1"
Status: near western quadrature

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

赤經: 19h00m37s
赤緯: -23°47'16"

Jupiter

Excellent
視星等: -1.9
星座: Capricornus
Angular diameter: 32.0"
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

赤經: 18h28m07s
赤緯: -23°16'18"

Saturn

Excellent
視星等: 0.6
星座: Virgo
Angular diameter: 18.6"
Status: near eastern quadrature

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

赤經: 10h34m13s
赤緯: +10°41'17"

Uranus

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

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

赤經: 05h54m39s
赤緯: +23°38'56"

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: 12h57m11s
赤緯: -04°26'11"

Moon

Excellent
視星等: -12.7
星座: Gemini
Angular diameter: 12146.8"
Status: Moon illumination 97.7%

Observation tip: Moon illumination 97.7%; good for observing lunar surface detail

赤經: 04h12m54s
赤緯: +23°54'14"