May 2015 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

22 himlahändelser totalt, inklusive 4 månfaser och 3 planetära händelser.

Dagliga himlahändelser

Alla tider är i lokal tid (Asia/Shanghai)

Group Datum Soluppgång/Solnedgång Månuppgång/Månnedgång Månfas Himmelshändelser

Planetary outlook

May 2015 mid-month observing conditions

Mercury

Excellent
Skenbar magnitud: 1.4
Stjärnbild: Gemini
Angular diameter: 9.7"
Status: near superior conjunction

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

Rektascension: 04h42m56s
Deklination: +24°10'03"

Venus

Excellent
Skenbar magnitud: -4.2
Stjärnbild: Cancer
Angular diameter: 18.7"
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: 06h34m14s
Deklination: +25°55'10"

Mars

Excellent
Skenbar magnitud: 1.4
Stjärnbild: Taurus
Angular diameter: 3.7"
Status: near western quadrature

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

Rektascension: 03h59m30s
Deklination: +20°54'01"

Jupiter

Excellent
Skenbar magnitud: -2.0
Stjärnbild: Leo
Angular diameter: 36.3"
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: 09h09m09s
Deklination: +17°19'46"

Saturn

Excellent
Skenbar magnitud: 0.1
Stjärnbild: Sagittarius
Angular diameter: 18.5"
Status: near eastern quadrature

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

Rektascension: 16h02m26s
Deklination: -18°27'28"

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: 01h09m23s
Deklination: +06°41'24"

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: 22h45m47s
Deklination: -08°40'31"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Aries
Angular diameter: 12711.7"
Status: Moon illumination 13.2%

Observation tip: Moon illumination 13.2%; good for observing lunar surface detail

Rektascension: 00h41m50s
Deklination: +04°18'00"