May 2010 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

19 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 2010 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: 1.5
Stjernebillede: Taurus
Angular diameter: 10.3"
Status: near greatest eastern elongation

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascension: 02h07m18s
Deklination: +09°45'24"

Venus

Excellent
Tilsyneladende magnitude: -3.9
Stjernebillede: Gemini
Angular diameter: 12.0"
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: 05h33m20s
Deklination: +24°40'39"

Mars

Excellent
Tilsyneladende magnitude: 0.9
Stjernebillede: Leo
Angular diameter: 6.6"
Status: near western quadrature

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

Rektascension: 09h26m14s
Deklination: +16°55'23"

Jupiter

Excellent
Tilsyneladende magnitude: -2.2
Stjernebillede: Pisces
Angular diameter: 36.2"
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: 23h48m43s
Deklination: -02°24'24"

Saturn

Excellent
Tilsyneladende magnitude: 0.8
Stjernebillede: Virgo
Angular diameter: 18.6"
Status: near western quadrature

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

Rektascension: 11h56m46s
Deklination: +03°03'29"

Uranus

Fair
Tilsyneladende magnitude: 6.0
Stjernebillede: Pisces
Angular diameter: 3.4"
Status: near eastern quadrature

Observation tip: A telescope is required; Binoculars or a telescope are recommended

Rektascension: 23h59m31s
Deklination: -00°50'56"

Neptune

Fair
Tilsyneladende magnitude: 7.8
Stjernebillede: Pisces
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascension: 22h03m44s
Deklination: -12°22'28"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Gemini
Angular diameter: 12286.1"
Status: Moon illumination 1.2%

Observation tip: Moon illumination 1.2%; good for observing lunar surface detail

Rektascension: 04h14m18s
Deklination: +24°20'32"