January 2011 天象

觀測地點:Beijing (39.904°, 116.407°)

每月天象事件總覽

20 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

January 2011 mid-month observing conditions

Mercury

Excellent
視星等: -0.2
星座: Capricornus
Angular diameter: 6.1"
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: 18h07m55s
赤緯: -22°34'03"

Venus

Excellent
視星等: -4.5
星座: Sagittarius
Angular diameter: 23.1"
Status: near inferior conjunction

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

赤經: 16h26m06s
赤緯: -18°16'36"

Mars

Excellent
視星等: 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

赤經: 20h06m34s
赤緯: -21°19'22"

Jupiter

Excellent
視星等: -2.2
星座: Pisces
Angular diameter: 37.2"
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

赤經: 23h57m01s
赤緯: -01°38'59"

Saturn

Excellent
視星等: 0.7
星座: Libra
Angular diameter: 17.7"
Status: near eastern quadrature

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

赤經: 13h06m53s
赤緯: -04°26'07"

Uranus

Fair
視星等: 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

赤經: 23h51m23s
赤緯: -01°43'29"

Neptune

Fair
視星等: 7.8
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

赤經: 21h58m10s
赤緯: -12°54'27"

Moon

Excellent
視星等: -12.7
星座: Taurus
Angular diameter: 11894.1"
Status: Moon illumination 73.9%

Observation tip: Moon illumination 73.9%; good for observing lunar surface detail

赤經: 03h18m17s
赤緯: +21°44'39"