February 1921 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

18 himmelbegivenheder i alt, inklusive 3 månefaser og 4 planetariske begivenheder.

Daglige himmelbegivenheder

Alle tider er i lokal tid (Asia/Shanghai)

Group Dato Solopgang/Solnedgang Måneopgang/Månenedgang Månefase Himmelbegivenheder

Planetary outlook

February 1921 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: -0.6
Stjernebillede: Pisces
Angular diameter: 7.0"
Status: near greatest western elongation

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascension: 22h59m13s
Deklination: -05°30'26"

Venus

Excellent
Tilsyneladende magnitude: -4.6
Stjernebillede: Aries
Angular diameter: 25.3"
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

Rektascension: 00h43m02s
Deklination: +06°30'47"

Mars

Excellent
Tilsyneladende magnitude: 1.3
Stjernebillede: Aries
Angular diameter: 4.4"
Status: near western quadrature

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

Rektascension: 00h05m46s
Deklination: +00°04'30"

Jupiter

Excellent
Tilsyneladende magnitude: -2.5
Stjernebillede: Virgo
Angular diameter: 44.0"
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

Rektascension: 11h11m35s
Deklination: +06°43'33"

Saturn

Excellent
Tilsyneladende magnitude: 0.7
Stjernebillede: Virgo
Angular diameter: 19.5"
Status: near eastern quadrature

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

Rektascension: 11h39m11s
Deklination: +04°46'36"

Uranus

Fair
Tilsyneladende magnitude: 6.0
Stjernebillede: Pisces
Angular diameter: 3.4"
Status: near western quadrature

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

Rektascension: 22h28m42s
Deklination: -10°20'01"

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: 08h57m56s
Deklination: +17°14'40"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Taurus
Angular diameter: 12219.6"
Status: Moon illumination 41.6%

Observation tip: Moon illumination 41.6%; good for observing lunar surface detail

Rektascension: 02h55m52s
Deklination: +15°13'26"