December 1978 Himmelsereignisse

Beobachterstandort:Beijing (39.904°, 116.407°)

Monatliche Himmelsereignisse

24 Himmelereignisse insgesamt, einschließlich 4 Mondphasen und 3 Planetenereignisse.

Tägliche Himmelsereignisse

Alle Zeiten in Ortszeit (Asia/Shanghai)

Group Datum Sonnenaufgang/-untergang Mondaufgang/-untergang Mondphase Himmelsereignisse

Planetary outlook

December 1978 mid-month observing conditions

Mercury

Excellent
Scheinbare Helligkeit: 0.4
Sternbild: 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

Rektaszension: 16h16m01s
Deklination: -18°23'30"

Venus

Excellent
Scheinbare Helligkeit: -4.9
Sternbild: 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

Rektaszension: 14h42m26s
Deklination: -12°51'16"

Mars

Excellent
Scheinbare Helligkeit: 1.2
Sternbild: 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

Rektaszension: 18h07m31s
Deklination: -24°15'29"

Jupiter

Excellent
Scheinbare Helligkeit: -2.5
Sternbild: 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

Rektaszension: 08h44m06s
Deklination: +18°39'44"

Saturn

Excellent
Scheinbare Helligkeit: 0.7
Sternbild: 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

Rektaszension: 11h03m14s
Deklination: +07°59'35"

Uranus

Fair
Scheinbare Helligkeit: 5.6
Sternbild: Scorpius
Angular diameter: 3.6"
Status: near eastern quadrature

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

Rektaszension: 15h05m56s
Deklination: -17°06'23"

Neptune

Fair
Scheinbare Helligkeit: 8.0
Sternbild: Sagittarius
Angular diameter: 2.2"
Status: near eastern quadrature

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

Rektaszension: 17h09m13s
Deklination: -21°32'28"

Moon

Excellent
Scheinbare Helligkeit: -12.7
Sternbild: Gemini
Angular diameter: 11625.1"
Status: Moon illumination 99.6%

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

Rektaszension: 05h51m47s
Deklination: +18°27'36"