December 2087 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

17 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 2087 mid-month observing conditions

Mercury

Excellent
Skenbar magnitud: -0.7
Stjärnbild: Capricornus
Angular diameter: 5.0"
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: 18h19m04s
Deklination: -25°29'06"

Venus

Excellent
Skenbar magnitud: -4.0
Stjärnbild: Scorpius
Angular diameter: 13.9"
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: 14h58m19s
Deklination: -14°47'54"

Mars

Excellent
Skenbar magnitud: 1.2
Stjärnbild: Sagittarius
Angular diameter: 3.8"
Status: near eastern quadrature

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

Rektascension: 17h23m39s
Deklination: -23°43'38"

Jupiter

Excellent
Skenbar magnitud: -1.9
Stjärnbild: Libra
Angular diameter: 34.3"
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: 12h58m23s
Deklination: -04°54'11"

Saturn

Excellent
Skenbar magnitud: 0.1
Stjärnbild: Taurus
Angular diameter: 19.6"
Status: near western quadrature

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

Rektascension: 02h23m09s
Deklination: +11°30'04"

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: 22h11m43s
Deklination: -11°57'03"

Neptune

Fair
Skenbar magnitud: 7.7
Stjärnbild: Leo
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascension: 09h33m04s
Deklination: +14°44'24"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Virgo
Angular diameter: 12197.7"
Status: Moon illumination 68.7%

Observation tip: Moon illumination 68.7%; good for observing lunar surface detail

Rektascension: 10h05m57s
Deklination: +06°20'47"