September 1984 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

25 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

September 1984 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: -0.4
Stjernebillede: Virgo
Angular diameter: 7.0"
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: 10h26m26s
Deklination: +10°30'51"

Venus

Excellent
Tilsyneladende magnitude: -3.9
Stjernebillede: Libra
Angular diameter: 11.1"
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: 13h03m25s
Deklination: -06°01'45"

Mars

Excellent
Tilsyneladende magnitude: 0.1
Stjernebillede: Sagittarius
Angular diameter: 8.6"
Status: near western quadrature

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

Rektascension: 17h00m31s
Deklination: -25°02'12"

Jupiter

Excellent
Tilsyneladende magnitude: -2.3
Stjernebillede: Capricornus
Angular diameter: 40.2"
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: 18h15m24s
Deklination: -23°29'43"

Saturn

Excellent
Tilsyneladende magnitude: 0.6
Stjernebillede: Scorpius
Angular diameter: 15.8"
Status: near western quadrature

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

Rektascension: 14h44m01s
Deklination: -13°38'05"

Uranus

Fair
Tilsyneladende magnitude: 5.6
Stjernebillede: Sagittarius
Angular diameter: 3.7"
Status: near western quadrature

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

Rektascension: 16h32m52s
Deklination: -21°55'01"

Neptune

Fair
Tilsyneladende magnitude: 7.9
Stjernebillede: Sagittarius
Angular diameter: 2.3"
Status: near western quadrature

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

Rektascension: 17h54m12s
Deklination: -22°16'02"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Taurus
Angular diameter: 11582.2"
Status: Moon illumination 81.3%

Observation tip: Moon illumination 81.3%; good for observing lunar surface detail

Rektascension: 02h46m28s
Deklination: +14°36'01"