January 2090 天象

观测地点:Beijing (39.904°, 116.407°)

月度天象概览

19 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

January 2090 mid-month observing conditions

Mercury

Excellent
视星等: -0.3
星座: Capricornus
Angular diameter: 5.9"
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

赤经: 18h13m48s
赤纬: -22°42'16"

Venus

Excellent
视星等: -3.9
星座: Aquarius
Angular diameter: 9.8"
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

赤经: 20h19m10s
赤纬: -20°47'59"

Mars

Excellent
视星等: 1.1
星座: Aquarius
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: 20h13m22s
赤纬: -20°58'23"

Jupiter

Excellent
视星等: -1.8
星座: Sagittarius
Angular diameter: 32.7"
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: 16h38m54s
赤纬: -21°24'21"

Saturn

Excellent
视星等: -0.2
星座: Gemini
Angular diameter: 19.8"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Saturn’s rings require a telescope to see clearly

赤经: 04h12m36s
赤纬: +19°12'42"

Uranus

Fair
视星等: 6.0
星座: Pisces
Angular diameter: 3.4"
Status: near western quadrature

Observation tip: A telescope is required; Binoculars or a telescope are recommended

赤经: 22h45m09s
赤纬: -08°43'06"

Neptune

Fair
视星等: 7.7
星座: Leo
Angular diameter: 2.3"
Status: near eastern quadrature

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

赤经: 09h48m32s
赤纬: +13°35'54"

Moon

Excellent
视星等: -12.7
星座: Cancer
Angular diameter: 12811.3"
Status: Moon illumination 97.9%

Observation tip: Moon illumination 97.9%; good for observing lunar surface detail

赤经: 06h40m04s
赤纬: +18°05'03"