May 2011 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

16 himlahändelser totalt, inklusive 4 månfaser och 1 planetära händelser.

Dagliga himlahändelser

Alla tider är i lokal tid (Asia/Shanghai)

Group Datum Soluppgång/Solnedgång Månuppgång/Månnedgång Månfas Himmelshändelser

Planetary outlook

May 2011 mid-month observing conditions

Mercury

Excellent
Skenbar magnitud: 0.2
Stjärnbild: Aries
Angular diameter: 7.1"
Status: near inferior conjunction

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

Rektascension: 01h51m10s
Deklination: +08°08'14"

Venus

Excellent
Skenbar magnitud: -3.9
Stjärnbild: Aries
Angular diameter: 11.1"
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: 01h49m42s
Deklination: +09°32'56"

Mars

Excellent
Skenbar magnitud: 1.3
Stjärnbild: Taurus
Angular diameter: 4.1"
Status: near eastern quadrature

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

Rektascension: 02h03m09s
Deklination: +11°52'38"

Jupiter

Excellent
Skenbar magnitud: -2.1
Stjärnbild: Aries
Angular diameter: 33.9"
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: 01h36m18s
Deklination: +08°51'15"

Saturn

Excellent
Skenbar magnitud: 0.6
Stjärnbild: 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: 12h45m08s
Deklination: -01°56'50"

Uranus

Fair
Skenbar magnitud: 6.0
Stjärnbild: Aries
Angular diameter: 3.4"
Status: near eastern quadrature

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

Rektascension: 00h13m26s
Deklination: +00°40'33"

Neptune

Fair
Skenbar magnitud: 7.8
Stjärnbild: Pisces
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascension: 22h12m15s
Deklination: -11°39'41"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Libra
Angular diameter: 12840.8"
Status: Moon illumination 91.3%

Observation tip: Moon illumination 91.3%; good for observing lunar surface detail

Rektascension: 13h05m44s
Deklination: -12°03'20"