December 2091 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

24 himlahändelser totalt, inklusive 4 månfaser och 2 planetära händelser.

Dagliga himlahändelser

Alla tider är i lokal tid (Asia/Shanghai)

Group Datum Soluppgång/Solnedgång Månuppgång/Månnedgång Månfas Himmelshändelser

Planetary outlook

December 2091 mid-month observing conditions

Mercury

Excellent
Skenbar magnitud: -0.6
Stjärnbild: Sagittarius
Angular diameter: 5.5"
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: 16h15m20s
Deklination: -20°01'29"

Venus

Excellent
Skenbar magnitud: -4.0
Stjärnbild: Aquarius
Angular diameter: 13.4"
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: 20h05m49s
Deklination: -22°18'20"

Mars

Excellent
Skenbar magnitud: 1.2
Stjärnbild: Capricornus
Angular diameter: 4.3"
Status: near western quadrature

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

Rektascension: 19h36m55s
Deklination: -22°44'59"

Jupiter

Excellent
Skenbar magnitud: -2.0
Stjärnbild: Capricornus
Angular diameter: 33.2"
Status: near western 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: 19h48m19s
Deklination: -21°28'28"

Saturn

Excellent
Skenbar magnitud: -0.4
Stjärnbild: Cancer
Angular diameter: 20.6"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Saturn’s rings require a telescope to see clearly

Rektascension: 06h30m48s
Deklination: +22°20'11"

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: 23h10m04s
Deklination: -06°10'57"

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: 10h07m54s
Deklination: +12°00'21"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Aquarius
Angular diameter: 12158.9"
Status: Moon illumination 23.8%

Observation tip: Moon illumination 23.8%; good for observing lunar surface detail

Rektascension: 21h34m57s
Deklination: -14°00'35"