December 1978 Hemelgebeurtenissen

Waarnemer locatie:Beijing (39.904°, 116.407°)

Maandelijks overzicht hemelgebeurtenissen

24 hemelgebeurtenissen totaal, inclusief 4 maanfasen en 3 planetaire gebeurtenissen.

Dagelijkse hemelgebeurtenissen

Alle tijden zijn in lokale tijd (Asia/Shanghai)

Group Datum Zonsopgang/Zonsondergang Maansopgang/Maansondergang Maanfase Hemelgebeurtenissen

Planetary outlook

December 1978 mid-month observing conditions

Mercury

Excellent
Schijnbare helderheid: 0.4
Sterrenbeeld: Sagittarius
Angular diameter: 8.5"
Status: near greatest eastern elongation

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

Rechte klimming: 16h16m01s
Declinatie: -18°23'30"

Venus

Excellent
Schijnbare helderheid: -4.9
Sterrenbeeld: Scorpius
Angular diameter: 39.7"
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: 14h42m26s
Declinatie: -12°51'16"

Mars

Excellent
Schijnbare helderheid: 1.2
Sterrenbeeld: Capricornus
Angular diameter: 3.9"
Status: near western quadrature

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

Rechte klimming: 18h07m31s
Declinatie: -24°15'29"

Jupiter

Excellent
Schijnbare helderheid: -2.5
Sterrenbeeld: Leo
Angular diameter: 43.5"
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

Rechte klimming: 08h44m06s
Declinatie: +18°39'44"

Saturn

Excellent
Schijnbare helderheid: 0.7
Sterrenbeeld: Virgo
Angular diameter: 18.3"
Status: near eastern quadrature

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

Rechte klimming: 11h03m14s
Declinatie: +07°59'35"

Uranus

Fair
Schijnbare helderheid: 5.6
Sterrenbeeld: Scorpius
Angular diameter: 3.6"
Status: near eastern quadrature

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

Rechte klimming: 15h05m56s
Declinatie: -17°06'23"

Neptune

Fair
Schijnbare helderheid: 8.0
Sterrenbeeld: Sagittarius
Angular diameter: 2.2"
Status: near eastern quadrature

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

Rechte klimming: 17h09m13s
Declinatie: -21°32'28"

Moon

Excellent
Schijnbare helderheid: -12.7
Sterrenbeeld: Gemini
Angular diameter: 11625.1"
Status: Moon illumination 99.6%

Observation tip: Moon illumination 99.6%; good for observing lunar surface detail

Rechte klimming: 05h51m47s
Declinatie: +18°27'36"