October 1989 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

23 himmelbegivenheder i alt, inklusive 4 månefaser og 1 planetariske begivenheder.

Daglige himmelbegivenheder

Alle tider er i lokal tid (Asia/Shanghai)

Group Dato Solopgang/Solnedgang Måneopgang/Månenedgang Månefase Himmelbegivenheder

Planetary outlook

October 1989 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: -0.8
Stjernebillede: Libra
Angular diameter: 6.2"
Status: near inferior conjunction

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

Rektascension: 12h20m25s
Deklination: -00°04'35"

Venus

Excellent
Tilsyneladende magnitude: -4.3
Stjernebillede: Sagittarius
Angular diameter: 19.5"
Status: near greatest western elongation

Observation tip: Very bright, easily visible to the naked eye; Venus is the brightest planet and is best seen at dusk or dawn

Rektascension: 16h19m00s
Deklination: -24°08'36"

Mars

Excellent
Tilsyneladende magnitude: 1.6
Stjernebillede: Libra
Angular diameter: 3.6"
Status: near eastern quadrature

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

Rektascension: 13h02m06s
Deklination: -05°53'20"

Jupiter

Excellent
Tilsyneladende magnitude: -2.4
Stjernebillede: Cancer
Angular diameter: 40.8"
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: 06h45m49s
Deklination: +22°45'50"

Saturn

Excellent
Tilsyneladende magnitude: 0.5
Stjernebillede: Capricornus
Angular diameter: 16.3"
Status: near western quadrature

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

Rektascension: 18h35m40s
Deklination: -22°46'21"

Uranus

Fair
Tilsyneladende magnitude: 5.7
Stjernebillede: Capricornus
Angular diameter: 3.6"
Status: near western quadrature

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

Rektascension: 18h08m05s
Deklination: -23°41'52"

Neptune

Fair
Tilsyneladende magnitude: 7.9
Stjernebillede: Capricornus
Angular diameter: 2.2"
Status: near western quadrature

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

Rektascension: 18h42m12s
Deklination: -22°12'13"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Aries
Angular diameter: 13042.6"
Status: Moon illumination 99.8%

Observation tip: Moon illumination 99.8%; good for observing lunar surface detail

Rektascension: 01h21m04s
Deklination: +13°15'41"