December 1947 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

25 himlahändelser totalt, inklusive 4 månfaser och 2 planetära händelser.

Dagliga himlahändelser

Alla tider är i lokal tid (Asia/Shanghai)

Group Datum Soluppgång/Solnedgång Månuppgång/Månnedgång Månfas Himmelshändelser

Planetary outlook

December 1947 mid-month observing conditions

Mercury

Excellent
Skenbar magnitud: -0.7
Stjärnbild: Sagittarius
Angular diameter: 4.9"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascension: 16h39m23s
Deklination: -22°08'25"

Venus

Excellent
Skenbar magnitud: -3.9
Stjärnbild: Capricornus
Angular diameter: 11.3"
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: 19h18m08s
Deklination: -23°47'32"

Mars

Excellent
Skenbar magnitud: 0.2
Stjärnbild: Virgo
Angular diameter: 9.0"
Status: near eastern quadrature

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

Rektascension: 10h28m24s
Deklination: +12°31'45"

Jupiter

Excellent
Skenbar magnitud: -1.8
Stjärnbild: Sagittarius
Angular diameter: 31.3"
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: 16h39m47s
Deklination: -21°36'00"

Saturn

Excellent
Skenbar magnitud: 0.3
Stjärnbild: Leo
Angular diameter: 19.2"
Status: near eastern quadrature

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

Rektascension: 09h41m09s
Deklination: +15°00'36"

Uranus

Fair
Skenbar magnitud: 5.5
Stjärnbild: Gemini
Angular diameter: 3.9"
Status: near eastern quadrature

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

Rektascension: 05h34m47s
Deklination: +23°28'02"

Neptune

Fair
Skenbar magnitud: 7.9
Stjärnbild: Libra
Angular diameter: 2.2"
Status: near eastern quadrature

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

Rektascension: 12h49m10s
Deklination: -03°37'45"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Capricornus
Angular diameter: 11505.0"
Status: Moon illumination 5.7%

Observation tip: Moon illumination 5.7%; good for observing lunar surface detail

Rektascension: 19h26m58s
Deklination: -26°19'15"