January 2004 天象

觀測地點:Beijing (39.904°, 116.407°)

每月天象事件總覽

25 天象事件總數,包括 4 月相與 1 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 2004 mid-month observing conditions

Mercury

Excellent
視星等: -0.1
星座: Capricornus
Angular diameter: 7.0"
Status: near greatest eastern elongation

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

赤經: 18h01m59s
赤緯: -21°36'49"

Venus

Excellent
視星等: -4.0
星座: Pisces
Angular diameter: 13.6"
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: 22h11m58s
赤緯: -12°51'05"

Mars

Excellent
視星等: 0.4
星座: Aries
Angular diameter: 7.6"
Status: near western quadrature

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

赤經: 01h05m01s
赤緯: +07°18'08"

Jupiter

Excellent
視星等: -2.3
星座: Virgo
Angular diameter: 41.3"
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: 11h20m28s
赤緯: +05°38'18"

Saturn

Excellent
視星等: -0.3
星座: Cancer
Angular diameter: 20.6"
Status: near western quadrature

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

赤經: 06h37m20s
赤緯: +22°31'05"

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: 22h12m05s
赤緯: -11°54'22"

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: 20h58m35s
赤緯: -17°10'19"

Moon

Excellent
視星等: -12.7
星座: Libra
Angular diameter: 12406.0"
Status: Moon illumination 52.3%

Observation tip: Moon illumination 52.3%; good for observing lunar surface detail

赤經: 13h23m21s
赤緯: -06°20'19"