April 1931 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

26 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

April 1931 mid-month observing conditions

Mercury

Excellent
Skenbar magnitud: 0.8
Stjärnbild: Taurus
Angular diameter: 8.8"
Status: near superior conjunction

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

Rektascension: 02h35m13s
Deklination: +18°22'29"

Venus

Excellent
Skenbar magnitud: -4.0
Stjärnbild: Pisces
Angular diameter: 13.9"
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: 23h13m12s
Deklination: -06°16'53"

Mars

Excellent
Skenbar magnitud: 0.5
Stjärnbild: Leo
Angular diameter: 8.1"
Status: near western quadrature

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

Rektascension: 08h29m46s
Deklination: +21°32'45"

Jupiter

Excellent
Skenbar magnitud: -2.1
Stjärnbild: Cancer
Angular diameter: 37.0"
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: 06h55m31s
Deklination: +23°08'42"

Saturn

Excellent
Skenbar magnitud: 0.5
Stjärnbild: Capricornus
Angular diameter: 16.7"
Status: near eastern quadrature

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

Rektascension: 19h39m07s
Deklination: -21°14'19"

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: 00h59m19s
Deklination: +05°39'25"

Neptune

Fair
Skenbar magnitud: 7.9
Stjärnbild: Virgo
Angular diameter: 2.3"
Status: near western quadrature

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

Rektascension: 10h21m44s
Deklination: +11°00'19"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Pisces
Angular diameter: 11468.7"
Status: Moon illumination 8.3%

Observation tip: Moon illumination 8.3%; good for observing lunar surface detail

Rektascension: 23h29m20s
Deklination: -05°37'43"