December 1986 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

26 himlahändelser totalt, inklusive 5 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 1986 mid-month observing conditions

Mercury

Excellent
Skenbar magnitud: -0.6
Stjärnbild: Sagittarius
Angular diameter: 5.2"
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: 16h22m08s
Deklination: -20°46'40"

Venus

Excellent
Skenbar magnitud: -4.9
Stjärnbild: Scorpius
Angular diameter: 38.2"
Status: near greatest eastern 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: 14h38m26s
Deklination: -12°31'27"

Mars

Excellent
Skenbar magnitud: 0.3
Stjärnbild: Pisces
Angular diameter: 7.7"
Status: near western quadrature

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

Rektascension: 22h58m24s
Deklination: -07°30'43"

Jupiter

Excellent
Skenbar magnitud: -2.3
Stjärnbild: Pisces
Angular diameter: 39.5"
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: 23h07m21s
Deklination: -07°00'16"

Saturn

Excellent
Skenbar magnitud: 0.5
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: 16h48m53s
Deklination: -20°56'16"

Uranus

Fair
Skenbar magnitud: 5.8
Stjärnbild: Sagittarius
Angular diameter: 3.5"
Status: near eastern quadrature

Observation tip: Binoculars are recommended; Binoculars or a telescope are recommended

Rektascension: 17h27m37s
Deklination: -23°20'42"

Neptune

Fair
Skenbar magnitud: 7.9
Stjärnbild: Capricornus
Angular diameter: 2.2"
Status: near western quadrature

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

Rektascension: 18h21m49s
Deklination: -22°20'01"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Gemini
Angular diameter: 11488.7"
Status: Moon illumination 98.4%

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

Rektascension: 04h24m53s
Deklination: +25°32'41"