September 2018 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

21 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

September 2018 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: -1.5
Stjernebillede: Virgo
Angular diameter: 5.0"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascension: 11h13m48s
Deklination: +06°54'07"

Venus

Excellent
Tilsyneladende magnitude: -4.7
Stjernebillede: Libra
Angular diameter: 35.7"
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: 13h58m55s
Deklination: -17°26'26"

Mars

Excellent
Tilsyneladende magnitude: -1.7
Stjernebillede: Aquarius
Angular diameter: 18.4"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Rektascension: 20h16m51s
Deklination: -24°41'05"

Jupiter

Excellent
Tilsyneladende magnitude: -1.9
Stjernebillede: Scorpius
Angular diameter: 33.7"
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: 15h08m11s
Deklination: -16°45'54"

Saturn

Excellent
Tilsyneladende magnitude: 0.4
Stjernebillede: Capricornus
Angular diameter: 16.9"
Status: near western quadrature

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

Rektascension: 18h11m16s
Deklination: -22°43'38"

Uranus

Fair
Tilsyneladende magnitude: 5.8
Stjernebillede: Taurus
Angular diameter: 3.7"
Status: near eastern quadrature

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

Rektascension: 02h00m02s
Deklination: +11°38'19"

Neptune

Fair
Tilsyneladende magnitude: 7.7
Stjernebillede: Pisces
Angular diameter: 2.4"
Status: near western quadrature

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

Rektascension: 23h05m51s
Deklination: -06°52'37"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Scorpius
Angular diameter: 11920.1"
Status: Moon illumination 31.0%

Observation tip: Moon illumination 31.0%; good for observing lunar surface detail

Rektascension: 15h53m46s
Deklination: -15°29'25"