December 1903 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

19 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 1903 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: -0.8
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: 18h20m34s
Deklination: -25°34'32"

Venus

Excellent
Tilsyneladende magnitude: -4.4
Stjernebillede: Scorpius
Angular diameter: 20.7"
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: 14h17m50s
Deklination: -11°01'15"

Mars

Excellent
Tilsyneladende magnitude: 1.1
Stjernebillede: Aquarius
Angular diameter: 4.7"
Status: near western quadrature

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

Rektascension: 20h18m19s
Deklination: -20°57'22"

Jupiter

Excellent
Tilsyneladende magnitude: -2.4
Stjernebillede: Pisces
Angular diameter: 39.7"
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: 23h08m30s
Deklination: -06°54'12"

Saturn

Excellent
Tilsyneladende magnitude: 0.7
Stjernebillede: Aquarius
Angular diameter: 15.6"
Status: near western quadrature

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

Rektascension: 20h35m14s
Deklination: -19°23'37"

Uranus

Fair
Tilsyneladende magnitude: 5.8
Stjernebillede: Sagittarius
Angular diameter: 3.5"
Status: near western quadrature

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

Rektascension: 17h40m41s
Deklination: -23°31'49"

Neptune

Fair
Tilsyneladende magnitude: 7.8
Stjernebillede: Cancer
Angular diameter: 2.4"
Status: near eastern quadrature

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

Rektascension: 06h21m10s
Deklination: +22°16'18"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Scorpius
Angular diameter: 12093.1"
Status: Moon illumination 15.2%

Observation tip: Moon illumination 15.2%; good for observing lunar surface detail

Rektascension: 14h18m42s
Deklination: -10°59'57"