January 2009 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

26 himmelbegivenheder i alt, inklusive 4 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

January 2009 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: 1.7
Stjernebillede: Aquarius
Angular diameter: 9.2"
Status: near superior conjunction

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

Rektascension: 20h34m26s
Deklination: -16°50'50"

Venus

Excellent
Tilsyneladende magnitude: -4.5
Stjernebillede: Pisces
Angular diameter: 24.4"
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: 22h54m29s
Deklination: -07°22'03"

Mars

Excellent
Tilsyneladende magnitude: 1.2
Stjernebillede: Capricornus
Angular diameter: 3.9"
Status: near eastern quadrature

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

Rektascension: 19h01m43s
Deklination: -23°30'07"

Jupiter

Excellent
Tilsyneladende magnitude: -1.9
Stjernebillede: Aquarius
Angular diameter: 32.4"
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: 20h18m13s
Deklination: -20°05'21"

Saturn

Excellent
Tilsyneladende magnitude: 0.7
Stjernebillede: Virgo
Angular diameter: 18.9"
Status: near eastern quadrature

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

Rektascension: 11h32m24s
Deklination: +05°16'42"

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: 23h23m19s
Deklination: -04°45'39"

Neptune

Fair
Tilsyneladende magnitude: 7.8
Stjernebillede: Aquarius
Angular diameter: 2.2"
Status: near western quadrature

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

Rektascension: 21h41m24s
Deklination: -14°13'21"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Virgo
Angular diameter: 12414.0"
Status: Moon illumination 80.6%

Observation tip: Moon illumination 80.6%; good for observing lunar surface detail

Rektascension: 11h08m05s
Deklination: +02°01'50"