December 1918 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

22 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 1918 mid-month observing conditions

Mercury

Good
Skenbar magnitud: 2.7
Stjärnbild: Capricornus
Angular diameter: 9.6"
Status: near superior conjunction

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascension: 18h02m38s
Deklination: -22°37'07"

Venus

Excellent
Skenbar magnitud: -3.9
Stjärnbild: Sagittarius
Angular diameter: 9.8"
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: 17h48m11s
Deklination: -23°52'32"

Mars

Excellent
Skenbar magnitud: 1.2
Stjärnbild: Capricornus
Angular diameter: 4.5"
Status: near western quadrature

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

Rektascension: 19h52m07s
Deklination: -22°11'49"

Jupiter

Excellent
Skenbar magnitud: -2.7
Stjärnbild: Cancer
Angular diameter: 46.5"
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: 06h57m06s
Deklination: +22°47'23"

Saturn

Excellent
Skenbar magnitud: 0.4
Stjärnbild: Virgo
Angular diameter: 19.0"
Status: near eastern quadrature

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

Rektascension: 10h03m24s
Deklination: +13°18'28"

Uranus

Fair
Skenbar magnitud: 5.9
Stjärnbild: Aquarius
Angular diameter: 3.4"
Status: near western quadrature

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

Rektascension: 21h48m12s
Deklination: -14°02'33"

Neptune

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

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

Rektascension: 08h45m46s
Deklination: +17°54'19"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Taurus
Angular diameter: 12774.8"
Status: Moon illumination 89.4%

Observation tip: Moon illumination 89.4%; good for observing lunar surface detail

Rektascension: 02h43m58s
Deklination: +18°33'35"