December 2018 Hemelgebeurtenissen

Waarnemer locatie:Beijing (39.904°, 116.407°)

Maandelijks overzicht hemelgebeurtenissen

19 hemelgebeurtenissen totaal, inclusief 4 maanfasen en 1 planetaire gebeurtenissen.

Dagelijkse hemelgebeurtenissen

Alle tijden zijn in lokale tijd (Asia/Shanghai)

Group Datum Zonsopgang/Zonsondergang Maansopgang/Maansondergang Maanfase Hemelgebeurtenissen

Planetary outlook

December 2018 mid-month observing conditions

Mercury

Excellent
Schijnbare helderheid: -0.3
Sterrenbeeld: Sagittarius
Angular diameter: 6.7"
Status: near greatest eastern elongation

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

Rechte klimming: 16h00m44s
Declinatie: -18°16'18"

Venus

Excellent
Schijnbare helderheid: -4.8
Sterrenbeeld: Scorpius
Angular diameter: 32.9"
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

Rechte klimming: 14h27m23s
Declinatie: -11°35'54"

Mars

Excellent
Schijnbare helderheid: 0.2
Sterrenbeeld: Pisces
Angular diameter: 8.4"
Status: near western quadrature

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

Rechte klimming: 23h19m13s
Declinatie: -05°10'43"

Jupiter

Excellent
Schijnbare helderheid: -1.8
Sterrenbeeld: Sagittarius
Angular diameter: 31.3"
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

Rechte klimming: 16h25m48s
Declinatie: -21°01'27"

Saturn

Excellent
Schijnbare helderheid: 0.6
Sterrenbeeld: Capricornus
Angular diameter: 15.1"
Status: near western quadrature

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

Rechte klimming: 18h40m42s
Declinatie: -22°35'58"

Uranus

Fair
Schijnbare helderheid: 5.8
Sterrenbeeld: Aries
Angular diameter: 3.7"
Status: near western quadrature

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

Rechte klimming: 01h47m56s
Declinatie: +10°32'48"

Neptune

Fair
Schijnbare helderheid: 7.8
Sterrenbeeld: Pisces
Angular diameter: 2.3"
Status: near western quadrature

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

Rechte klimming: 23h01m50s
Declinatie: -07°16'08"

Moon

Excellent
Schijnbare helderheid: -12.7
Sterrenbeeld: Pisces
Angular diameter: 11588.3"
Status: Moon illumination 45.4%

Observation tip: Moon illumination 45.4%; good for observing lunar surface detail

Rechte klimming: 23h20m22s
Declinatie: -08°38'05"