December 2016 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

21 himlahändelser totalt, inklusive 4 månfaser och 3 planetära händelser.

Dagliga himlahändelser

Alla tider är i lokal tid (Asia/Shanghai)

Group Datum Soluppgång/Solnedgång Månuppgång/Månnedgång Månfas Himmelshändelser

Planetary outlook

December 2016 mid-month observing conditions

Mercury

Excellent
Skenbar magnitud: -0.2
Stjärnbild: Capricornus
Angular diameter: 7.3"
Status: near superior conjunction

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

Rektascension: 18h59m25s
Deklination: -24°10'34"

Venus

Excellent
Skenbar magnitud: -4.2
Stjärnbild: Aquarius
Angular diameter: 18.7"
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: 20h46m12s
Deklination: -20°17'17"

Mars

Excellent
Skenbar magnitud: 0.7
Stjärnbild: Aquarius
Angular diameter: 6.1"
Status: near western quadrature

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

Rektascension: 21h57m17s
Deklination: -13°43'13"

Jupiter

Excellent
Skenbar magnitud: -1.8
Stjärnbild: Libra
Angular diameter: 33.9"
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: 13h12m03s
Deklination: -06°18'43"

Saturn

Excellent
Skenbar magnitud: 0.4
Stjärnbild: Sagittarius
Angular diameter: 15.1"
Status: near eastern quadrature

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

Rektascension: 17h14m17s
Deklination: -21°43'20"

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: 01h17m12s
Deklination: +07°29'32"

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: 22h45m15s
Deklination: -08°49'57"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Cancer
Angular diameter: 12844.1"
Status: Moon illumination 98.4%

Observation tip: Moon illumination 98.4%; good for observing lunar surface detail

Rektascension: 06h31m10s
Deklination: +18°55'49"