September 2008 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

24 himmelbegivenheder i alt, inklusive 4 månefaser og 3 planetariske begivenheder.

Daglige himmelbegivenheder

Alle tider er i lokal tid (Asia/Shanghai)

Group Dato Solopgang/Solnedgang Måneopgang/Månenedgang Månefase Himmelbegivenheder

Planetary outlook

September 2008 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: 0.3
Stjernebillede: Libra
Angular diameter: 7.5"
Status: near superior conjunction

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascension: 13h04m57s
Deklination: -10°13'40"

Venus

Excellent
Tilsyneladende magnitude: -3.9
Stjernebillede: Libra
Angular diameter: 11.3"
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: 13h10m26s
Deklination: -06°51'26"

Mars

Excellent
Tilsyneladende magnitude: 1.7
Stjernebillede: Libra
Angular diameter: 3.8"
Status: near western quadrature

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

Rektascension: 13h03m58s
Deklination: -06°25'40"

Jupiter

Excellent
Tilsyneladende magnitude: -2.4
Stjernebillede: Capricornus
Angular diameter: 41.8"
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: 18h54m55s
Deklination: -23°09'04"

Saturn

Excellent
Tilsyneladende magnitude: 0.9
Stjernebillede: Virgo
Angular diameter: 16.1"
Status: near eastern quadrature

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

Rektascension: 11h01m01s
Deklination: +08°07'27"

Uranus

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

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

Rektascension: 23h26m43s
Deklination: -04°28'05"

Neptune

Fair
Tilsyneladende magnitude: 7.7
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: 21h38m11s
Deklination: -14°29'19"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Pisces
Angular diameter: 12250.9"
Status: Moon illumination 99.8%

Observation tip: Moon illumination 99.8%; good for observing lunar surface detail

Rektascension: 23h10m42s
Deklination: -02°30'59"