December 1997 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 1 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 1997 mid-month observing conditions

Mercury

Fair
视星等: 4.3
星座: Sagittarius
Angular diameter: 9.8"
Status: near superior conjunction

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

赤经: 17h53m39s
赤纬: -22°13'42"

Venus

Excellent
视星等: -4.9
星座: Aquarius
Angular diameter: 43.1"
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: 20h15m27s
赤纬: -21°15'37"

Mars

Excellent
视星等: 1.1
星座: Capricornus
Angular diameter: 4.5"
Status: near western quadrature

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

赤经: 19h59m04s
赤纬: -21°52'36"

Jupiter

Excellent
视星等: -2.1
星座: Aquarius
Angular diameter: 35.8"
Status: near western 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: 21h26m31s
赤纬: -15°59'20"

Saturn

Excellent
视星等: 0.5
星座: Aries
Angular diameter: 18.5"
Status: near western quadrature

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

赤经: 00h53m50s
赤纬: +02°57'29"

Uranus

Fair
视星等: 5.9
星座: Aquarius
Angular diameter: 3.4"
Status: near western quadrature

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

赤经: 20h35m13s
赤纬: -19°17'28"

Neptune

Fair
视星等: 7.9
星座: Aquarius
Angular diameter: 2.2"
Status: near western quadrature

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

赤经: 20h01m32s
赤纬: -20°07'40"

Moon

Excellent
视星等: -12.7
星座: Cancer
Angular diameter: 12209.9"
Status: Moon illumination 98.9%

Observation tip: Moon illumination 98.9%; good for observing lunar surface detail

赤经: 06h18m00s
赤纬: +18°39'44"