October 2004 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

22 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

October 2004 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: -0.9
Stjernebillede: Libra
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: 13h46m00s
Deklination: -10°43'44"

Venus

Excellent
Tilsyneladende magnitude: -4.0
Stjernebillede: Virgo
Angular diameter: 14.7"
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: 10h59m36s
Deklination: +07°28'25"

Mars

Excellent
Tilsyneladende magnitude: 1.7
Stjernebillede: Libra
Angular diameter: 3.6"
Status: near eastern quadrature

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

Rektascension: 12h45m41s
Deklination: -04°02'24"

Jupiter

Excellent
Tilsyneladende magnitude: -1.7
Stjernebillede: Libra
Angular diameter: 30.9"
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: 12h17m21s
Deklination: -00°41'07"

Saturn

Excellent
Tilsyneladende magnitude: 0.1
Stjernebillede: Cancer
Angular diameter: 18.3"
Status: near eastern quadrature

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

Rektascension: 07h55m13s
Deklination: +20°39'48"

Uranus

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

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

Rektascension: 22h21m39s
Deklination: -11°04'25"

Neptune

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

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

Rektascension: 21h00m28s
Deklination: -17°05'43"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Scorpius
Angular diameter: 12499.5"
Status: Moon illumination 1.0%

Observation tip: Moon illumination 1.0%; good for observing lunar surface detail

Rektascension: 14h04m31s
Deklination: -12°45'39"