May 2012 Himmelbegivenheder

Observatørens placering:Beijing (39.904°, 116.407°)

Månedlig oversigt over himmelbegivenheder

18 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

May 2012 mid-month observing conditions

Mercury

Excellent
Tilsyneladende magnitude: -0.9
Stjernebillede: Taurus
Angular diameter: 5.4"
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: 02h34m32s
Deklination: +13°28'55"

Venus

Excellent
Tilsyneladende magnitude: -4.7
Stjernebillede: Gemini
Angular diameter: 46.8"
Status: near superior 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: 05h32m57s
Deklination: +27°22'17"

Mars

Excellent
Tilsyneladende magnitude: 0.2
Stjernebillede: Virgo
Angular diameter: 8.9"
Status: near western quadrature

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

Rektascension: 10h43m48s
Deklination: +09°46'28"

Jupiter

Excellent
Tilsyneladende magnitude: -2.0
Stjernebillede: Taurus
Angular diameter: 32.8"
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: 03h25m22s
Deklination: +17°52'44"

Saturn

Excellent
Tilsyneladende magnitude: 0.4
Stjernebillede: Libra
Angular diameter: 18.8"
Status: near western quadrature

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

Rektascension: 13h33m17s
Deklination: -06°48'17"

Uranus

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

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

Rektascension: 00h27m30s
Deklination: +02°12'44"

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: 22h20m45s
Deklination: -10°55'50"

Moon

Excellent
Tilsyneladende magnitude: -12.7
Stjernebillede: Pisces
Angular diameter: 11706.3"
Status: Moon illumination 29.6%

Observation tip: Moon illumination 29.6%; good for observing lunar surface detail

Rektascension: 23h11m16s
Deklination: +00°20'44"