December 2015 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

21 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 2015 mid-month observing conditions

Mercury

Excellent
Skenbar magnitud: -0.7
Stjärnbild: Capricornus
Angular diameter: 5.3"
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: 18h33m10s
Deklination: -25°29'24"

Venus

Excellent
Skenbar magnitud: -4.1
Stjärnbild: Scorpius
Angular diameter: 15.8"
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: 14h39m35s
Deklination: -13°08'24"

Mars

Excellent
Skenbar magnitud: 1.4
Stjärnbild: Libra
Angular diameter: 5.1"
Status: near eastern quadrature

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

Rektascension: 13h12m08s
Deklination: -06°02'26"

Jupiter

Excellent
Skenbar magnitud: -2.0
Stjärnbild: Virgo
Angular diameter: 37.1"
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: 11h33m37s
Deklination: +04°06'53"

Saturn

Excellent
Skenbar magnitud: 0.5
Stjärnbild: Sagittarius
Angular diameter: 15.2"
Status: near eastern quadrature

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

Rektascension: 16h31m10s
Deklination: -20°13'04"

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: 01h02m13s
Deklination: +05°55'57"

Neptune

Fair
Skenbar magnitud: 7.8
Stjärnbild: Pisces
Angular diameter: 2.3"
Status: near western quadrature

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

Rektascension: 22h36m54s
Deklination: -09°36'02"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Aquarius
Angular diameter: 12272.7"
Status: Moon illumination 13.9%

Observation tip: Moon illumination 13.9%; good for observing lunar surface detail

Rektascension: 20h30m23s
Deklination: -14°58'02"