September 2091 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

September 2091 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: -1.3
Stjernebillede: Virgo
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: 11h50m17s
Deklination: +02°29'53"

Venus

Excellent
Tilsyneladende magnitude: -3.9
Stjernebillede: Libra
Angular diameter: 10.1"
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: 12h26m06s
Deklination: -01°34'01"

Mars

Excellent
Tilsyneladende magnitude: 1.2
Stjernebillede: Scorpius
Angular diameter: 5.1"
Status: near western quadrature

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

Rektascension: 14h51m58s
Deklination: -17°11'45"

Jupiter

Excellent
Tilsyneladende magnitude: -2.4
Stjernebillede: Capricornus
Angular diameter: 41.7"
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: 18h54m53s
Deklination: -23°06'56"

Saturn

Excellent
Tilsyneladende magnitude: 0.0
Stjernebillede: Cancer
Angular diameter: 18.0"
Status: near eastern quadrature

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

Rektascension: 06h36m12s
Deklination: +22°14'41"

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: 23h15m58s
Deklination: -05°36'37"

Neptune

Fair
Tilsyneladende magnitude: 7.9
Stjernebillede: Virgo
Angular diameter: 2.2"
Status: near eastern quadrature

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

Rektascension: 10h02m09s
Deklination: +12°29'23"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Libra
Angular diameter: 12882.5"
Status: Moon illumination 3.8%

Observation tip: Moon illumination 3.8%; good for observing lunar surface detail

Rektascension: 12h59m23s
Deklination: -02°31'21"