May 2001 天象

觀測地點:Beijing (39.904°, 116.407°)

每月天象事件總覽

23 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

May 2001 mid-month observing conditions

Mercury

Excellent
視星等: -0.2
星座: Gemini
Angular diameter: 6.8"
Status: near greatest western 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: 04h52m58s
赤緯: +24°57'20"

Venus

Excellent
視星等: -4.6
星座: Aries
Angular diameter: 32.7"
Status: near greatest eastern 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: 00h42m07s
赤緯: +03°58'02"

Mars

Excellent
視星等: -1.5
星座: Sagittarius
Angular diameter: 16.6"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

赤經: 17h55m30s
赤緯: -24°52'44"

Jupiter

Excellent
視星等: -2.0
星座: Gemini
Angular diameter: 32.8"
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

赤經: 05h01m41s
赤緯: +22°23'21"

Saturn

Excellent
視星等: 0.1
星座: Gemini
Angular diameter: 16.5"
Status: near western quadrature

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

赤經: 04h05m12s
赤緯: +19°04'53"

Uranus

Fair
視星等: 5.9
星座: Aquarius
Angular diameter: 3.5"
Status: near eastern quadrature

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

赤經: 21h49m08s
赤緯: -13°56'48"

Neptune

Fair
視星等: 7.8
星座: Aquarius
Angular diameter: 2.3"
Status: near eastern quadrature

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

赤經: 20h44m38s
赤緯: -17°55'09"

Moon

Excellent
視星等: -12.7
星座: Aquarius
Angular diameter: 11513.2"
Status: Moon illumination 54.2%

Observation tip: Moon illumination 54.2%; good for observing lunar surface detail

赤經: 21h32m44s
赤緯: -18°14'55"