July 1989 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

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

Daglige himmelbegivenheder

Alle tider er i lokal tid (Asia/Shanghai)

Group Dato Solopgang/Solnedgang Måneopgang/Månenedgang Månefase Himmelbegivenheder

Planetary outlook

July 1989 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: -1.9
Stjernebillede: Cancer
Angular diameter: 5.1"
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: 07h20m55s
Deklination: +23°21'46"

Venus

Excellent
Tilsyneladende magnitude: -3.9
Stjernebillede: Leo
Angular diameter: 11.4"
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: 09h28m01s
Deklination: +16°39'49"

Mars

Excellent
Tilsyneladende magnitude: 1.8
Stjernebillede: Leo
Angular diameter: 3.7"
Status: near western quadrature

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

Rektascension: 09h22m08s
Deklination: +16°39'16"

Jupiter

Excellent
Tilsyneladende magnitude: -2.0
Stjernebillede: Gemini
Angular diameter: 32.9"
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: 05h45m15s
Deklination: +23°02'31"

Saturn

Excellent
Tilsyneladende magnitude: 0.1
Stjernebillede: Capricornus
Angular diameter: 18.4"
Status: near western quadrature

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

Rektascension: 18h42m04s
Deklination: -22°29'14"

Uranus

Fair
Tilsyneladende magnitude: 5.6
Stjernebillede: Capricornus
Angular diameter: 3.8"
Status: near western quadrature

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

Rektascension: 18h11m07s
Deklination: -23°41'25"

Neptune

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

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

Rektascension: 18h46m08s
Deklination: -22°05'00"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Sagittarius
Angular diameter: 11800.6"
Status: Moon illumination 85.0%

Observation tip: Moon illumination 85.0%; good for observing lunar surface detail

Rektascension: 16h16m55s
Deklination: -26°30'30"