December 1949 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 1 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 1949 mid-month observing conditions

Mercury

Excellent
視星等: -0.7
星座: Capricornus
Angular diameter: 5.1"
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: 18h23m38s
赤緯: -25°32'41"

Venus

Excellent
視星等: -4.8
星座: Aquarius
Angular diameter: 34.2"
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

赤經: 20h40m16s
赤緯: -20°17'39"

Mars

Excellent
視星等: 0.9
星座: Virgo
Angular diameter: 6.8"
Status: near eastern quadrature

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

赤經: 11h46m07s
赤緯: +03°55'35"

Jupiter

Excellent
視星等: -2.0
星座: Aquarius
Angular diameter: 34.0"
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: 20h20m57s
赤緯: -20°05'47"

Saturn

Excellent
視星等: 0.8
星座: Virgo
Angular diameter: 18.0"
Status: near eastern quadrature

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

赤經: 11h23m26s
赤緯: +06°02'20"

Uranus

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

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

赤經: 06h14m53s
赤緯: +23°40'12"

Neptune

Fair
視星等: 8.0
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: 13h05m09s
赤緯: -05°13'50"

Moon

Excellent
視星等: -12.7
星座: Libra
Angular diameter: 12664.4"
Status: Moon illumination 28.8%

Observation tip: Moon illumination 28.8%; good for observing lunar surface detail

赤經: 13h05m24s
赤緯: -07°19'00"