December 1977 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 4 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 1977 mid-month observing conditions

Mercury

Excellent
視星等: 1.0
星座: Capricornus
Angular diameter: 9.0"
Status: near superior conjunction

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

赤經: 18h29m02s
赤緯: -23°15'06"

Venus

Excellent
視星等: -3.9
星座: Sagittarius
Angular diameter: 9.9"
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: 16h49m39s
赤緯: -22°04'01"

Mars

Excellent
視星等: -0.6
星座: Leo
Angular diameter: 12.1"
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: 08h59m38s
赤緯: +20°19'59"

Jupiter

Excellent
視星等: -2.7
星座: Cancer
Angular diameter: 47.4"
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: 06h09m22s
赤緯: +23°08'48"

Saturn

Excellent
視星等: 0.4
星座: Virgo
Angular diameter: 18.9"
Status: near eastern quadrature

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

赤經: 10h12m22s
赤緯: +12°33'06"

Uranus

Fair
視星等: 5.6
星座: Scorpius
Angular diameter: 3.6"
Status: near eastern quadrature

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

赤經: 14h48m37s
赤緯: -15°49'14"

Neptune

Fair
視星等: 8.0
星座: Sagittarius
Angular diameter: 2.2"
Status: near eastern quadrature

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

赤經: 17h00m19s
赤緯: -21°18'22"

Moon

Excellent
視星等: -12.7
星座: Aquarius
Angular diameter: 12552.0"
Status: Moon illumination 24.7%

Observation tip: Moon illumination 24.7%; good for observing lunar surface detail

赤經: 21h33m40s
赤緯: -10°23'53"