January 2017 天象

觀測地點:Beijing (39.904°, 116.407°)

每月天象事件總覽

24 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 2017 mid-month observing conditions

Mercury

Excellent
視星等: -0.1
星座: Capricornus
Angular diameter: 7.3"
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: 18h06m31s
赤緯: -21°21'32"

Venus

Excellent
視星等: -4.5
星座: Pisces
Angular diameter: 25.1"
Status: near superior 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: 22h54m34s
赤緯: -07°15'57"

Mars

Excellent
視星等: 1.0
星座: Pisces
Angular diameter: 5.4"
Status: near western quadrature

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

赤經: 23h24m32s
赤緯: -04°31'11"

Jupiter

Excellent
視星等: -2.0
星座: Libra
Angular diameter: 37.0"
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: 13h24m44s
赤緯: -07°27'53"

Saturn

Excellent
視星等: 0.5
星座: Sagittarius
Angular diameter: 15.3"
Status: near eastern quadrature

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

赤經: 17h29m26s
赤緯: -21°57'58"

Uranus

Fair
視星等: 5.9
星座: Aries
Angular diameter: 3.5"
Status: near western quadrature

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

赤經: 01h17m18s
赤緯: +07°31'16"

Neptune

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

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

赤經: 22h47m47s
赤緯: -08°34'06"

Moon

Excellent
視星等: -12.7
星座: Leo
Angular diameter: 12294.2"
Status: Moon illumination 92.1%

Observation tip: Moon illumination 92.1%; good for observing lunar surface detail

赤經: 09h59m14s
赤緯: +11°42'55"