December 2010 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

18 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 2010 mid-month observing conditions

Mercury

Excellent
Skenbar magnitud: 1.9
Stjärnbild: Capricornus
Angular diameter: 9.3"
Status: near superior conjunction

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

Rektascension: 18h17m37s
Deklination: -22°57'41"

Venus

Excellent
Skenbar magnitud: -4.8
Stjärnbild: Scorpius
Angular diameter: 34.1"
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: 14h29m32s
Deklination: -11°46'44"

Mars

Excellent
Skenbar magnitud: 1.2
Stjärnbild: Capricornus
Angular diameter: 3.9"
Status: near western quadrature

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

Rektascension: 18h23m19s
Deklination: -24°13'59"

Jupiter

Excellent
Skenbar magnitud: -2.4
Stjärnbild: Pisces
Angular diameter: 40.9"
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: 23h42m31s
Deklination: -03°20'44"

Saturn

Excellent
Skenbar magnitud: 0.8
Stjärnbild: Libra
Angular diameter: 16.8"
Status: near eastern quadrature

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

Rektascension: 13h01m22s
Deklination: -04°00'53"

Uranus

Fair
Skenbar magnitud: 5.9
Stjärnbild: Pisces
Angular diameter: 3.5"
Status: near western quadrature

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

Rektascension: 23h49m05s
Deklination: -01°59'44"

Neptune

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

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

Rektascension: 21h54m52s
Deklination: -13°11'58"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Aries
Angular diameter: 11554.0"
Status: Moon illumination 63.4%

Observation tip: Moon illumination 63.4%; good for observing lunar surface detail

Rektascension: 00h22m16s
Deklination: +08°07'52"