January 2017 天象

观测地点:Beijing (39.904°, 116.407°)

月度天象概览

24 天文事件合计,包括 4 月相和 2 行星事件。

每日天象

所有时间均为本地时间 (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
视星等: -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

赤经: 18h06m31s
赤纬: -21°21'32"

Venus

Excellent
视星等: -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

赤经: 22h54m34s
赤纬: -07°15'57"

Mars

Excellent
视星等: 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

赤经: 23h24m32s
赤纬: -04°31'11"

Jupiter

Excellent
视星等: -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

赤经: 13h24m44s
赤纬: -07°27'53"

Saturn

Excellent
视星等: 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

赤经: 17h29m26s
赤纬: -21°57'58"

Uranus

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

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

赤经: 01h17m18s
赤纬: +07°31'16"

Neptune

Fair
视星等: 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

赤经: 22h47m47s
赤纬: -08°34'06"

Moon

Excellent
视星等: -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

赤经: 09h59m14s
赤纬: +11°42'55"