April 2009 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

20 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

April 2009 mid-month observing conditions

Mercury

Excellent
Skenbar magnitud: -1.0
Stjärnbild: Taurus
Angular diameter: 6.0"
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: 02h30m02s
Deklination: +16°21'14"

Venus

Excellent
Skenbar magnitud: -4.6
Stjärnbild: Pisces
Angular diameter: 50.7"
Status: near greatest eastern 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: 23h49m57s
Deklination: +04°10'05"

Mars

Excellent
Skenbar magnitud: 1.2
Stjärnbild: Pisces
Angular diameter: 4.4"
Status: near eastern quadrature

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

Rektascension: 23h40m15s
Deklination: -03°24'21"

Jupiter

Excellent
Skenbar magnitud: -2.1
Stjärnbild: Aquarius
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: 21h36m35s
Deklination: -14°54'19"

Saturn

Excellent
Skenbar magnitud: 0.6
Stjärnbild: Virgo
Angular diameter: 19.3"
Status: near western quadrature

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

Rektascension: 11h11m08s
Deklination: +07°41'03"

Uranus

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

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

Rektascension: 23h40m40s
Deklination: -02°53'15"

Neptune

Fair
Skenbar magnitud: 7.8
Stjärnbild: Aquarius
Angular diameter: 2.2"
Status: near eastern quadrature

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

Rektascension: 21h53m20s
Deklination: -13°13'11"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Sagittarius
Angular diameter: 11544.1"
Status: Moon illumination 73.4%

Observation tip: Moon illumination 73.4%; good for observing lunar surface detail

Rektascension: 17h47m54s
Deklination: -26°32'11"