January 2010 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

25 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 2010 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: 0.5
Stjernebillede: Capricornus
Angular diameter: 8.7"
Status: near greatest eastern elongation

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

Rektascension: 18h23m48s
Deklination: -20°17'22"

Venus

Excellent
Tilsyneladende magnitude: -3.9
Stjernebillede: Capricornus
Angular diameter: 9.8"
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: 19h50m27s
Deklination: -21°57'15"

Mars

Excellent
Tilsyneladende magnitude: -1.1
Stjernebillede: Leo
Angular diameter: 13.7"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Rektascension: 09h16m44s
Deklination: +20°17'33"

Jupiter

Excellent
Tilsyneladende magnitude: -2.1
Stjernebillede: Pisces
Angular diameter: 34.1"
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: 22h07m04s
Deklination: -12°34'41"

Saturn

Excellent
Tilsyneladende magnitude: 0.8
Stjernebillede: Libra
Angular diameter: 18.3"
Status: near eastern quadrature

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

Rektascension: 12h20m48s
Deklination: +00°18'48"

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: 23h37m21s
Deklination: -03°15'06"

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: 21h49m48s
Deklination: -13°34'27"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Capricornus
Angular diameter: 11486.9"
Status: Moon illumination 0.1%

Observation tip: Moon illumination 0.1%; good for observing lunar surface detail

Rektascension: 19h32m47s
Deklination: -21°41'37"