February 1917 Sky Events

Observer Location:Beijing (39.904°, 116.407°)

Monthly Sky Events Overview

20 sky events total, including 3 moon phases and 2 planetary events.

Daily Sky Events

All times are in local time (Asia/Shanghai)

Group Date Sunrise/Sunset Moonrise/Moonset Moon Phase Sky Events

Planetary outlook

February 1917 mid-month observing conditions

Mercury

Excellent
Apparent magnitude: 0.0
Constellation: Aquarius
Angular diameter: 6.6"
Status: near inferior conjunction

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

Right ascension: 20h08m04s
Declination: -20°10'50"

Venus

Excellent
Apparent magnitude: -3.9
Constellation: Aquarius
Angular diameter: 10.4"
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

Right ascension: 20h42m56s
Declination: -18°56'30"

Mars

Excellent
Apparent magnitude: 1.0
Constellation: Pisces
Angular diameter: 4.0"
Status: near western quadrature

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

Right ascension: 22h05m08s
Declination: -12°54'01"

Jupiter

Excellent
Apparent magnitude: -2.2
Constellation: Aries
Angular diameter: 37.0"
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

Right ascension: 01h54m33s
Declination: +10°37'34"

Saturn

Excellent
Apparent magnitude: -0.2
Constellation: Cancer
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

Right ascension: 07h47m56s
Declination: +21°23'19"

Uranus

Fair
Apparent magnitude: 6.0
Constellation: Aquarius
Angular diameter: 3.4"
Status: near eastern quadrature

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

Right ascension: 21h30m42s
Declination: -15°26'46"

Neptune

Fair
Apparent magnitude: 7.8
Constellation: Leo
Angular diameter: 2.3"
Status: near western quadrature

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

Right ascension: 08h20m32s
Declination: +19°17'39"

Moon

Excellent
Apparent magnitude: -12.7
Constellation: Scorpius
Angular diameter: 12180.1"
Status: Moon illumination 51.0%

Observation tip: Moon illumination 51.0%; good for observing lunar surface detail

Right ascension: 15h25m15s
Declination: -23°04'46"