December 2099 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

24 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 2099 mid-month observing conditions

Mercury

Excellent
Skenbar magnitud: -1.2
Stjärnbild: Sagittarius
Angular diameter: 4.6"
Status: near inferior conjunction

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

Rektascension: 17h20m12s
Deklination: -24°07'25"

Venus

Excellent
Skenbar magnitud: -4.0
Stjärnbild: Aquarius
Angular diameter: 13.6"
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: 20h08m18s
Deklination: -22°12'22"

Mars

Excellent
Skenbar magnitud: -0.8
Stjärnbild: Aries
Angular diameter: 12.9"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Rektascension: 01h26m14s
Deklination: +09°37'22"

Jupiter

Excellent
Skenbar magnitud: -1.8
Stjärnbild: Libra
Angular diameter: 34.0"
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: 13h12m14s
Deklination: -06°20'04"

Saturn

Excellent
Skenbar magnitud: 0.8
Stjärnbild: Libra
Angular diameter: 16.4"
Status: near eastern quadrature

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

Rektascension: 13h34m01s
Deklination: -07°16'27"

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: 01h06m35s
Deklination: +06°23'06"

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: 11h14m52s
Deklination: +05°52'45"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Aquarius
Angular diameter: 12027.0"
Status: Moon illumination 10.8%

Observation tip: Moon illumination 10.8%; good for observing lunar surface detail

Rektascension: 20h18m31s
Deklination: -23°34'56"