April 2013 天象

觀測地點:Beijing (39.904°, 116.407°)

每月天象事件總覽

19 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

April 2013 mid-month observing conditions

Mercury

Excellent
視星等: -0.0
星座: Aries
Angular diameter: 6.2"
Status: near inferior conjunction

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

赤經: 00h08m57s
赤緯: -01°51'38"

Venus

Excellent
視星等: -3.9
星座: Aries
Angular diameter: 9.7"
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: 01h51m31s
赤緯: +10°27'26"

Mars

Excellent
視星等: 1.1
星座: Aries
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: 01h36m34s
赤緯: +09°35'32"

Jupiter

Excellent
視星等: -2.0
星座: Gemini
Angular diameter: 34.6"
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: 04h52m09s
赤緯: +22°09'44"

Saturn

Excellent
視星等: 0.2
星座: Scorpius
Angular diameter: 18.8"
Status: near eastern quadrature

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

赤經: 14h30m45s
赤緯: -12°01'17"

Uranus

Fair
視星等: 6.0
星座: Aries
Angular diameter: 3.4"
Status: near eastern quadrature

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

赤經: 00h35m46s
赤緯: +03°07'38"

Neptune

Fair
視星等: 7.8
星座: Pisces
Angular diameter: 2.2"
Status: near eastern quadrature

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

赤經: 22h26m51s
赤緯: -10°23'48"

Moon

Excellent
視星等: -12.7
星座: Gemini
Angular diameter: 11504.5"
Status: Moon illumination 19.0%

Observation tip: Moon illumination 19.0%; good for observing lunar surface detail

赤經: 05h03m39s
赤緯: +20°09'59"