May 1909 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

21 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

May 1909 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: -0.1
Stjernebillede: Gemini
Angular diameter: 7.1"
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: 04h52m14s
Deklination: +24°58'38"

Venus

Excellent
Tilsyneladende magnitude: -3.9
Stjernebillede: Taurus
Angular diameter: 9.7"
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: 03h42m29s
Deklination: +19°23'48"

Mars

Excellent
Tilsyneladende magnitude: -0.0
Stjernebillede: Aquarius
Angular diameter: 9.3"
Status: near eastern quadrature

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

Rektascension: 21h44m21s
Deklination: -15°43'10"

Jupiter

Excellent
Tilsyneladende magnitude: -2.1
Stjernebillede: Virgo
Angular diameter: 38.4"
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: 10h28m28s
Deklination: +10°55'48"

Saturn

Excellent
Tilsyneladende magnitude: 0.8
Stjernebillede: Aries
Angular diameter: 16.3"
Status: near eastern quadrature

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

Rektascension: 01h10m08s
Deklination: +04°59'35"

Uranus

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

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

Rektascension: 19h30m49s
Deklination: -22°16'14"

Neptune

Fair
Tilsyneladende magnitude: 7.9
Stjernebillede: Cancer
Angular diameter: 2.2"
Status: near western quadrature

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

Rektascension: 07h04m40s
Deklination: +21°53'51"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Pisces
Angular diameter: 12691.1"
Status: Moon illumination 26.8%

Observation tip: Moon illumination 26.8%; good for observing lunar surface detail

Rektascension: 23h36m39s
Deklination: -08°12'28"