December 1979 天象

觀測地點:Beijing (39.904°, 116.407°)

每月天象事件總覽

22 天象事件總數,包括 4 月相與 2 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 1979 mid-month observing conditions

Mercury

Excellent
視星等: -0.6
星座: Sagittarius
Angular diameter: 5.8"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

赤經: 16h05m46s
赤緯: -19°17'46"

Venus

Excellent
視星等: -3.9
星座: Capricornus
Angular diameter: 11.7"
Status: near greatest western elongation

Observation tip: Very bright, easily visible to the naked eye; Venus is the brightest planet and is best seen at dusk or dawn

赤經: 19h29m12s
赤緯: -23°31'46"

Mars

Excellent
視星等: 0.4
星座: Virgo
Angular diameter: 8.4"
Status: near eastern quadrature

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

赤經: 10h49m15s
赤緯: +10°20'20"

Jupiter

Excellent
視星等: -2.2
星座: Virgo
Angular diameter: 38.8"
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: 10h47m50s
赤緯: +08°46'55"

Saturn

Excellent
視星等: 1.0
星座: Virgo
Angular diameter: 17.6"
Status: near eastern quadrature

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

赤經: 11h50m37s
赤緯: +03°17'07"

Uranus

Fair
視星等: 5.7
星座: Scorpius
Angular diameter: 3.6"
Status: near eastern quadrature

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

赤經: 15h23m20s
赤緯: -18°17'26"

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: 17h18m09s
赤緯: -21°44'50"

Moon

Excellent
視星等: -12.7
星座: Libra
Angular diameter: 11733.1"
Status: Moon illumination 19.7%

Observation tip: Moon illumination 19.7%; good for observing lunar surface detail

赤經: 13h57m27s
赤緯: -07°26'16"