December 1980 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

24 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

December 1980 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: -0.8
Stjernebillede: Sagittarius
Angular diameter: 4.8"
Status: near inferior conjunction

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

Rektascension: 16h50m48s
Deklination: -22°44'00"

Venus

Excellent
Tilsyneladende magnitude: -4.0
Stjernebillede: Scorpius
Angular diameter: 11.6"
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: 15h35m53s
Deklination: -17°49'02"

Mars

Excellent
Tilsyneladende magnitude: 1.2
Stjernebillede: Capricornus
Angular diameter: 4.2"
Status: near western quadrature

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

Rektascension: 19h16m48s
Deklination: -23°23'41"

Jupiter

Excellent
Tilsyneladende magnitude: -1.9
Stjernebillede: Libra
Angular diameter: 35.2"
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: 12h30m54s
Deklination: -01°59'27"

Saturn

Excellent
Tilsyneladende magnitude: 0.9
Stjernebillede: Libra
Angular diameter: 17.1"
Status: near eastern quadrature

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

Rektascension: 12h35m37s
Deklination: -01°21'52"

Uranus

Fair
Tilsyneladende magnitude: 5.7
Stjernebillede: Scorpius
Angular diameter: 3.6"
Status: near eastern quadrature

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

Rektascension: 15h41m05s
Deklination: -19°22'52"

Neptune

Fair
Tilsyneladende magnitude: 8.0
Stjernebillede: Sagittarius
Angular diameter: 2.2"
Status: near eastern quadrature

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

Rektascension: 17h27m17s
Deklination: -21°55'34"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Pisces
Angular diameter: 12470.8"
Status: Moon illumination 49.3%

Observation tip: Moon illumination 49.3%; good for observing lunar surface detail

Rektascension: 23h36m41s
Deklination: -06°08'18"