December 1912 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

23 himmelbegivenheder i alt, inklusive 5 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

December 1912 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: 1.4
Stjernebillede: Sagittarius
Angular diameter: 9.2"
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: 16h33m47s
Deklination: -19°08'47"

Venus

Excellent
Tilsyneladende magnitude: -4.1
Stjernebillede: Aquarius
Angular diameter: 15.0"
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: 20h21m07s
Deklination: -21°40'25"

Mars

Excellent
Tilsyneladende magnitude: 1.4
Stjernebillede: Sagittarius
Angular diameter: 3.8"
Status: near eastern quadrature

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

Rektascension: 16h35m31s
Deklination: -22°18'27"

Jupiter

Excellent
Tilsyneladende magnitude: -1.8
Stjernebillede: Sagittarius
Angular diameter: 31.6"
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: 17h41m18s
Deklination: -23°07'48"

Saturn

Excellent
Tilsyneladende magnitude: -0.3
Stjernebillede: Taurus
Angular diameter: 20.3"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Saturn’s rings require a telescope to see clearly

Rektascension: 03h48m42s
Deklination: +17°48'36"

Uranus

Fair
Tilsyneladende magnitude: 5.9
Stjernebillede: Aquarius
Angular diameter: 3.4"
Status: near western quadrature

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

Rektascension: 20h14m35s
Deklination: -20°26'12"

Neptune

Fair
Tilsyneladende magnitude: 7.8
Stjernebillede: Cancer
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascension: 07h49m16s
Deklination: +20°33'12"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Pisces
Angular diameter: 11494.1"
Status: Moon illumination 33.1%

Observation tip: Moon illumination 33.1%; good for observing lunar surface detail

Rektascension: 22h23m15s
Deklination: -13°18'06"