December 1930 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

22 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

December 1930 mid-month observing conditions

Mercury

Excellent
Skenbar magnitud: -0.6
Stjärnbild: Capricornus
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: 18h50m52s
Deklination: -25°06'29"

Venus

Excellent
Skenbar magnitud: -4.8
Stjärnbild: Scorpius
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: 15h21m21s
Deklination: -15°53'57"

Mars

Excellent
Skenbar magnitud: -0.4
Stjärnbild: Leo
Angular diameter: 11.3"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Rektascension: 09h20m37s
Deklination: +18°44'33"

Jupiter

Excellent
Skenbar magnitud: -2.7
Stjärnbild: Cancer
Angular diameter: 46.0"
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: 07h19m34s
Deklination: +22°17'48"

Saturn

Excellent
Skenbar magnitud: 0.6
Stjärnbild: Capricornus
Angular diameter: 15.2"
Status: near western quadrature

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

Rektascension: 18h50m51s
Deklination: -22°33'31"

Uranus

Fair
Skenbar magnitud: 5.8
Stjärnbild: Aries
Angular diameter: 3.6"
Status: near western quadrature

Observation tip: Binoculars are recommended; Binoculars or a telescope are recommended

Rektascension: 00h43m12s
Deklination: +03°54'39"

Neptune

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

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

Rektascension: 10h31m19s
Deklination: +10°02'54"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Libra
Angular diameter: 12396.8"
Status: Moon illumination 26.7%

Observation tip: Moon illumination 26.7%; good for observing lunar surface detail

Rektascension: 13h14m37s
Deklination: -07°43'36"