February 1917 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

20 himmelbegivenheder i alt, inklusive 3 månefaser og 2 planetariske begivenheder.

Daglige himmelbegivenheder

Alle tider er i lokal tid (Asia/Shanghai)

Group Dato Solopgang/Solnedgang Måneopgang/Månenedgang Månefase Himmelbegivenheder

Planetary outlook

February 1917 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: 0.0
Stjernebillede: 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

Rektascension: 20h08m04s
Deklination: -20°10'50"

Venus

Excellent
Tilsyneladende magnitude: -3.9
Stjernebillede: 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

Rektascension: 20h42m56s
Deklination: -18°56'30"

Mars

Excellent
Tilsyneladende magnitude: 1.0
Stjernebillede: 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

Rektascension: 22h05m08s
Deklination: -12°54'01"

Jupiter

Excellent
Tilsyneladende magnitude: -2.2
Stjernebillede: 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

Rektascension: 01h54m33s
Deklination: +10°37'34"

Saturn

Excellent
Tilsyneladende magnitude: -0.2
Stjernebillede: 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

Rektascension: 07h47m56s
Deklination: +21°23'19"

Uranus

Fair
Tilsyneladende magnitude: 6.0
Stjernebillede: Aquarius
Angular diameter: 3.4"
Status: near eastern quadrature

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

Rektascension: 21h30m42s
Deklination: -15°26'46"

Neptune

Fair
Tilsyneladende magnitude: 7.8
Stjernebillede: Leo
Angular diameter: 2.3"
Status: near western quadrature

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

Rektascension: 08h20m32s
Deklination: +19°17'39"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Scorpius
Angular diameter: 12180.1"
Status: Moon illumination 51.0%

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

Rektascension: 15h25m15s
Deklination: -23°04'46"