December 1949 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

24 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 1949 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: -0.7
Stjernebillede: Capricornus
Angular diameter: 5.1"
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: 18h23m38s
Deklination: -25°32'41"

Venus

Excellent
Tilsyneladende magnitude: -4.8
Stjernebillede: Aquarius
Angular diameter: 34.2"
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: 20h40m16s
Deklination: -20°17'39"

Mars

Excellent
Tilsyneladende magnitude: 0.9
Stjernebillede: Virgo
Angular diameter: 6.8"
Status: near eastern quadrature

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

Rektascension: 11h46m07s
Deklination: +03°55'35"

Jupiter

Excellent
Tilsyneladende magnitude: -2.0
Stjernebillede: Aquarius
Angular diameter: 34.0"
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: 20h20m57s
Deklination: -20°05'47"

Saturn

Excellent
Tilsyneladende magnitude: 0.8
Stjernebillede: Virgo
Angular diameter: 18.0"
Status: near eastern quadrature

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

Rektascension: 11h23m26s
Deklination: +06°02'20"

Uranus

Fair
Tilsyneladende magnitude: 5.5
Stjernebillede: Cancer
Angular diameter: 3.9"
Status: near eastern quadrature

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

Rektascension: 06h14m53s
Deklination: +23°40'12"

Neptune

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

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

Rektascension: 13h05m09s
Deklination: -05°13'50"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Libra
Angular diameter: 12664.4"
Status: Moon illumination 28.8%

Observation tip: Moon illumination 28.8%; good for observing lunar surface detail

Rektascension: 13h05m24s
Deklination: -07°19'00"