September 1940 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 1940 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: -0.9
Stjernebillede: Libra
Angular diameter: 4.9"
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: 12h04m43s
Deklination: +00°28'27"

Venus

Excellent
Tilsyneladende magnitude: -4.4
Stjernebillede: Leo
Angular diameter: 21.5"
Status: near inferior 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: 08h33m05s
Deklination: +16°59'06"

Mars

Excellent
Tilsyneladende magnitude: 1.7
Stjernebillede: Virgo
Angular diameter: 3.5"
Status: near eastern quadrature

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

Rektascension: 11h13m00s
Deklination: +06°11'14"

Jupiter

Excellent
Tilsyneladende magnitude: -2.7
Stjernebillede: Taurus
Angular diameter: 45.8"
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: 02h53m45s
Deklination: +15°11'20"

Saturn

Excellent
Tilsyneladende magnitude: 0.1
Stjernebillede: Taurus
Angular diameter: 19.4"
Status: near eastern quadrature

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

Rektascension: 02h51m10s
Deklination: +13°43'54"

Uranus

Fair
Tilsyneladende magnitude: 5.7
Stjernebillede: Taurus
Angular diameter: 3.7"
Status: near eastern quadrature

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

Rektascension: 03h35m15s
Deklination: +19°00'26"

Neptune

Fair
Tilsyneladende magnitude: 8.0
Stjernebillede: Virgo
Angular diameter: 2.2"
Status: near western quadrature

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

Rektascension: 11h44m00s
Deklination: +03°02'08"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Pisces
Angular diameter: 11557.3"
Status: Moon illumination 97.6%

Observation tip: Moon illumination 97.6%; good for observing lunar surface detail

Rektascension: 22h20m08s
Deklination: -06°59'29"