December 1978 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 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 1978 mid-month observing conditions

Mercury

Excellent
视星等: 0.4
星座: Sagittarius
Angular diameter: 8.5"
Status: near greatest eastern elongation

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

赤经: 16h16m01s
赤纬: -18°23'30"

Venus

Excellent
视星等: -4.9
星座: Scorpius
Angular diameter: 39.7"
Status: near greatest eastern elongation

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: 14h42m26s
赤纬: -12°51'16"

Mars

Excellent
视星等: 1.2
星座: Capricornus
Angular diameter: 3.9"
Status: near western quadrature

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

赤经: 18h07m31s
赤纬: -24°15'29"

Jupiter

Excellent
视星等: -2.5
星座: Leo
Angular diameter: 43.5"
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: 08h44m06s
赤纬: +18°39'44"

Saturn

Excellent
视星等: 0.7
星座: Virgo
Angular diameter: 18.3"
Status: near eastern quadrature

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

赤经: 11h03m14s
赤纬: +07°59'35"

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: 15h05m56s
赤纬: -17°06'23"

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: 17h09m13s
赤纬: -21°32'28"

Moon

Excellent
视星等: -12.7
星座: Gemini
Angular diameter: 11625.1"
Status: Moon illumination 99.6%

Observation tip: Moon illumination 99.6%; good for observing lunar surface detail

赤经: 05h51m47s
赤纬: +18°27'36"