December 2100 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

21 himlahändelser totalt, inklusive 5 månfaser och 0 planetära händelser.

Dagliga himlahändelser

Alla tider är i lokal tid (Asia/Shanghai)

Group Datum Soluppgång/Solnedgång Månuppgång/Månnedgång Månfas Himmelshändelser

Planetary outlook

December 2100 mid-month observing conditions

Mercury

Excellent
Skenbar magnitud: -0.8
Stjärnbild: Capricornus
Angular diameter: 4.8"
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: 18h10m04s
Deklination: -25°25'34"

Venus

Excellent
Skenbar magnitud: -3.9
Stjärnbild: Sagittarius
Angular diameter: 10.5"
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: 16h10m48s
Deklination: -20°04'15"

Mars

Excellent
Skenbar magnitud: 1.6
Stjärnbild: Scorpius
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: 15h59m42s
Deklination: -20°31'31"

Jupiter

Excellent
Skenbar magnitud: -1.7
Stjärnbild: Scorpius
Angular diameter: 32.0"
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: 14h47m08s
Deklination: -15°01'33"

Saturn

Excellent
Skenbar magnitud: 0.7
Stjärnbild: Scorpius
Angular diameter: 16.0"
Status: near eastern quadrature

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

Rektascension: 14h15m59s
Deklination: -11°10'09"

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: 01h21m40s
Deklination: +07°56'28"

Neptune

Fair
Skenbar magnitud: 7.8
Stjärnbild: Virgo
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascension: 11h23m03s
Deklination: +05°04'22"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Gemini
Angular diameter: 11486.8"
Status: Moon illumination 97.2%

Observation tip: Moon illumination 97.2%; good for observing lunar surface detail

Rektascension: 04h04m48s
Deklination: +25°54'06"