December 2012 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

19 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 2012 mid-month observing conditions

Mercury

Excellent
Skenbar magnitud: -0.5
Stjärnbild: Sagittarius
Angular diameter: 5.5"
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: 16h14m38s
Deklination: -19°58'46"

Venus

Excellent
Skenbar magnitud: -3.9
Stjärnbild: Scorpius
Angular diameter: 11.3"
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: 15h46m19s
Deklination: -18°31'53"

Mars

Excellent
Skenbar magnitud: 1.2
Stjärnbild: Capricornus
Angular diameter: 4.3"
Status: near western quadrature

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

Rektascension: 19h33m15s
Deklination: -22°53'14"

Jupiter

Excellent
Skenbar magnitud: -2.8
Stjärnbild: Gemini
Angular diameter: 48.1"
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: 04h32m39s
Deklination: +21°08'53"

Saturn

Excellent
Skenbar magnitud: 0.7
Stjärnbild: Scorpius
Angular diameter: 15.9"
Status: near eastern quadrature

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

Rektascension: 14h25m47s
Deklination: -12°01'21"

Uranus

Fair
Skenbar magnitud: 5.9
Stjärnbild: Aries
Angular diameter: 3.6"
Status: near western quadrature

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

Rektascension: 00h18m04s
Deklination: +01°10'31"

Neptune

Fair
Skenbar magnitud: 7.8
Stjärnbild: Pisces
Angular diameter: 2.2"
Status: near western quadrature

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

Rektascension: 22h11m50s
Deklination: -11°48'08"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Capricornus
Angular diameter: 12884.1"
Status: Moon illumination 4.1%

Observation tip: Moon illumination 4.1%; good for observing lunar surface detail

Rektascension: 19h09m33s
Deklination: -18°23'31"