January 2003 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 3 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 2003 mid-month observing conditions

Mercury

Good
視星等: 3.2
星座: Capricornus
Angular diameter: 10.0"
Status: near greatest eastern elongation

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

赤經: 19h12m26s
赤緯: -18°59'54"

Venus

Excellent
視星等: -4.5
星座: Sagittarius
Angular diameter: 23.7"
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: 16h25m33s
赤緯: -18°10'36"

Mars

Excellent
視星等: 1.4
星座: Scorpius
Angular diameter: 4.8"
Status: near eastern quadrature

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

赤經: 15h45m57s
赤緯: -19°17'55"

Jupiter

Excellent
視星等: -2.6
星座: Leo
Angular diameter: 45.0"
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: 09h12m40s
赤緯: +16°58'59"

Saturn

Excellent
視星等: -0.3
星座: Gemini
Angular diameter: 20.3"
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: 05h31m42s
赤緯: +22°01'52"

Uranus

Fair
視星等: 6.0
星座: Aquarius
Angular diameter: 3.4"
Status: near western quadrature

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

赤經: 21h57m34s
赤緯: -13°12'30"

Neptune

Fair
視星等: 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

赤經: 20h49m59s
赤緯: -17°41'19"

Moon

Excellent
視星等: -12.7
星座: Gemini
Angular diameter: 11771.8"
Status: Moon illumination 87.7%

Observation tip: Moon illumination 87.7%; good for observing lunar surface detail

赤經: 04h46m58s
赤緯: +22°51'47"