December 2014 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

19 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

December 2014 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: -1.0
Stjernebillede: Sagittarius
Angular diameter: 4.7"
Status: near greatest western elongation

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

Rektascension: 17h44m55s
Deklination: -25°00'28"

Venus

Excellent
Tilsyneladende magnitude: -3.9
Stjernebillede: Capricornus
Angular diameter: 10.1"
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: 18h23m41s
Deklination: -24°11'33"

Mars

Excellent
Tilsyneladende magnitude: 1.1
Stjernebillede: Aquarius
Angular diameter: 5.0"
Status: near western quadrature

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

Rektascension: 20h42m06s
Deklination: -19°33'46"

Jupiter

Excellent
Tilsyneladende magnitude: -2.3
Stjernebillede: Leo
Angular diameter: 41.5"
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: 09h40m43s
Deklination: +14°44'06"

Saturn

Excellent
Tilsyneladende magnitude: 0.6
Stjernebillede: Scorpius
Angular diameter: 15.3"
Status: near eastern quadrature

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

Rektascension: 15h49m03s
Deklination: -18°04'20"

Uranus

Fair
Tilsyneladende magnitude: 5.8
Stjernebillede: Aries
Angular diameter: 3.6"
Status: near western quadrature

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

Rektascension: 00h47m22s
Deklination: +04°21'14"

Neptune

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

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

Rektascension: 22h28m34s
Deklination: -10°20'57"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Virgo
Angular diameter: 11577.7"
Status: Moon illumination 45.7%

Observation tip: Moon illumination 45.7%; good for observing lunar surface detail

Rektascension: 11h49m55s
Deklination: -00°42'18"