January 1989 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

21 himmelbegivenheder i alt, inklusive 4 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

January 1989 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: 0.2
Stjernebillede: Aquarius
Angular diameter: 8.1"
Status: near superior conjunction

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

Rektascension: 20h56m11s
Deklination: -16°35'28"

Venus

Excellent
Tilsyneladende magnitude: -3.9
Stjernebillede: Capricornus
Angular diameter: 10.6"
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: 18h23m06s
Deklination: -23°06'47"

Mars

Excellent
Tilsyneladende magnitude: 0.2
Stjernebillede: Aries
Angular diameter: 8.5"
Status: near western quadrature

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

Rektascension: 01h41m20s
Deklination: +11°22'33"

Jupiter

Excellent
Tilsyneladende magnitude: -2.6
Stjernebillede: Taurus
Angular diameter: 44.3"
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: 03h36m06s
Deklination: +18°28'30"

Saturn

Excellent
Tilsyneladende magnitude: 0.5
Stjernebillede: Capricornus
Angular diameter: 15.1"
Status: near eastern quadrature

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

Rektascension: 18h31m18s
Deklination: -22°32'31"

Uranus

Fair
Tilsyneladende magnitude: 5.8
Stjernebillede: Capricornus
Angular diameter: 3.5"
Status: near eastern quadrature

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

Rektascension: 18h11m14s
Deklination: -23°38'22"

Neptune

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

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

Rektascension: 18h45m09s
Deklination: -22°07'57"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Aries
Angular diameter: 12471.4"
Status: Moon illumination 54.8%

Observation tip: Moon illumination 54.8%; good for observing lunar surface detail

Rektascension: 01h46m23s
Deklination: +15°30'17"