October 2011 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

20 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

October 2011 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: -0.6
Stjernebillede: Scorpius
Angular diameter: 4.8"
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: 14h00m31s
Deklination: -12°39'24"

Venus

Excellent
Tilsyneladende magnitude: -3.9
Stjernebillede: Scorpius
Angular diameter: 10.2"
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: 14h19m51s
Deklination: -13°28'16"

Mars

Excellent
Tilsyneladende magnitude: 1.2
Stjernebillede: Leo
Angular diameter: 5.5"
Status: near eastern quadrature

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

Rektascension: 09h12m52s
Deklination: +17°30'24"

Jupiter

Excellent
Tilsyneladende magnitude: -2.9
Stjernebillede: Taurus
Angular diameter: 49.4"
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: 02h21m13s
Deklination: +12°29'38"

Saturn

Excellent
Tilsyneladende magnitude: 0.7
Stjernebillede: Libra
Angular diameter: 15.6"
Status: near eastern quadrature

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

Rektascension: 13h18m28s
Deklination: -05°51'14"

Uranus

Fair
Tilsyneladende magnitude: 5.8
Stjernebillede: Aries
Angular diameter: 3.7"
Status: near western quadrature

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

Rektascension: 00h07m57s
Deklination: +00°01'30"

Neptune

Fair
Tilsyneladende magnitude: 7.7
Stjernebillede: Pisces
Angular diameter: 2.3"
Status: near western quadrature

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

Rektascension: 22h02m42s
Deklination: -12°34'42"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Taurus
Angular diameter: 11509.0"
Status: Moon illumination 92.6%

Observation tip: Moon illumination 92.6%; good for observing lunar surface detail

Rektascension: 03h19m59s
Deklination: +20°24'03"