December 1977 天象

观测地点:Beijing (39.904°, 116.407°)

月度天象概览

24 天文事件合计,包括 4 月相和 4 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 1977 mid-month observing conditions

Mercury

Excellent
视星等: 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

赤经: 18h29m02s
赤纬: -23°15'06"

Venus

Excellent
视星等: -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

赤经: 16h49m39s
赤纬: -22°04'01"

Mars

Excellent
视星等: -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

赤经: 08h59m38s
赤纬: +20°19'59"

Jupiter

Excellent
视星等: -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

赤经: 06h09m22s
赤纬: +23°08'48"

Saturn

Excellent
视星等: 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

赤经: 10h12m22s
赤纬: +12°33'06"

Uranus

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

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

赤经: 14h48m37s
赤纬: -15°49'14"

Neptune

Fair
视星等: 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

赤经: 17h00m19s
赤纬: -21°18'22"

Moon

Excellent
视星等: -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

赤经: 21h33m40s
赤纬: -10°23'53"