December 1940 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

19 himlahändelser totalt, inklusive 4 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 1940 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: 16h25m21s
Deklination: -21°02'28"

Venus

Excellent
Skenbar magnitud: -3.9
Stjärnbild: Scorpius
Angular diameter: 12.1"
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: 15h23m15s
Deklination: -16°53'33"

Mars

Excellent
Skenbar magnitud: 1.7
Stjärnbild: Scorpius
Angular diameter: 4.1"
Status: near eastern quadrature

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

Rektascension: 14h55m02s
Deklination: -16°07'50"

Jupiter

Excellent
Skenbar magnitud: -2.7
Stjärnbild: Taurus
Angular diameter: 46.3"
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: 02h16m55s
Deklination: +12°22'25"

Saturn

Excellent
Skenbar magnitud: 0.0
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: 02h27m46s
Deklination: +11°55'29"

Uranus

Fair
Skenbar magnitud: 5.6
Stjärnbild: Taurus
Angular diameter: 3.8"
Status: near western quadrature

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

Rektascension: 03h22m45s
Deklination: +18°16'18"

Neptune

Fair
Skenbar magnitud: 7.9
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: 11h53m17s
Deklination: +02°05'01"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Gemini
Angular diameter: 11871.8"
Status: Moon illumination 99.8%

Observation tip: Moon illumination 99.8%; good for observing lunar surface detail

Rektascension: 05h39m04s
Deklination: +18°27'45"