December 1957 天象

观测地点:Beijing (39.904°, 116.407°)

月度天象概览

20 天文事件合计,包括 4 月相和 3 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 1957 mid-month observing conditions

Mercury

Excellent
视星等: 0.1
星座: Capricornus
Angular diameter: 8.0"
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: 18h49m41s
赤纬: -23°54'12"

Venus

Excellent
视星等: -4.8
星座: Aquarius
Angular diameter: 35.4"
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: 20h37m33s
赤纬: -20°24'03"

Mars

Excellent
视星等: 1.6
星座: Scorpius
Angular diameter: 3.9"
Status: near eastern quadrature

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

赤经: 15h28m35s
赤纬: -18°38'15"

Jupiter

Excellent
视星等: -1.8
星座: Libra
Angular diameter: 33.2"
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: 13h38m38s
赤纬: -08°58'43"

Saturn

Excellent
视星等: 0.4
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: 17h06m03s
赤纬: -21°30'50"

Uranus

Fair
视星等: 5.4
星座: Leo
Angular diameter: 4.0"
Status: near eastern quadrature

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

赤经: 08h55m53s
赤纬: +18°01'01"

Neptune

Fair
视星等: 8.0
星座: Scorpius
Angular diameter: 2.2"
Status: near eastern quadrature

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

赤经: 14h09m30s
赤纬: -11°14'55"

Moon

Excellent
视星等: -12.7
星座: Libra
Angular diameter: 12560.0"
Status: Moon illumination 41.5%

Observation tip: Moon illumination 41.5%; good for observing lunar surface detail

赤经: 12h05m01s
赤纬: -03°56'34"