December 2054 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

20 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 2054 mid-month observing conditions

Mercury

Excellent
Skenbar magnitud: -0.8
Stjärnbild: Capricornus
Angular diameter: 4.9"
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: 18h13m56s
Deklination: -25°27'45"

Venus

Excellent
Skenbar magnitud: -3.9
Stjärnbild: Capricornus
Angular diameter: 10.3"
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: 18h38m22s
Deklination: -24°10'22"

Mars

Excellent
Skenbar magnitud: -1.8
Stjärnbild: Gemini
Angular diameter: 16.4"
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: 05h48m06s
Deklination: +26°16'14"

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: 17h10m56s
Deklination: -22°30'59"

Saturn

Excellent
Skenbar magnitud: 1.0
Stjärnbild: Pisces
Angular diameter: 17.4"
Status: near western quadrature

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

Rektascension: 23h28m59s
Deklination: -05°44'38"

Uranus

Fair
Skenbar magnitud: 5.5
Stjärnbild: Libra
Angular diameter: 3.8"
Status: near eastern quadrature

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

Rektascension: 12h53m02s
Deklination: -04°56'35"

Neptune

Fair
Skenbar magnitud: 7.7
Stjärnbild: Gemini
Angular diameter: 2.4"
Status: near western quadrature

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

Rektascension: 04h15m29s
Deklination: +19°33'49"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Gemini
Angular diameter: 12419.7"
Status: Moon illumination 99.9%

Observation tip: Moon illumination 99.9%; good for observing lunar surface detail

Rektascension: 05h34m19s
Deklination: +19°01'52"