December 1978 Zeru gertakariak

Behatzailearen kokapena:Beijing (39.904°, 116.407°)

Planeten ikuspegi orokorra

24 guztira zeru-gertaerak, barne 4 ilargi-faseak eta 3 planetako gertaerak.

Zeru gertakariak

Ordu guztiak tokiko orduan daude (Asia/Shanghai)

Group Data Egunsentia/ilunabarra Ilargi-irteera/ilargi-sarrera Ilargi-fasea Zeru gertakariak

Planetary outlook

December 1978 mid-month observing conditions

Mercury

Excellent
Itxurazko magnitudea: 0.4
Izardiа: 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

Igoera zuzena: 16h16m01s
Deklinazioa: -18°23'30"

Venus

Excellent
Itxurazko magnitudea: -4.9
Izardiа: 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

Igoera zuzena: 14h42m26s
Deklinazioa: -12°51'16"

Mars

Excellent
Itxurazko magnitudea: 1.2
Izardiа: 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

Igoera zuzena: 18h07m31s
Deklinazioa: -24°15'29"

Jupiter

Excellent
Itxurazko magnitudea: -2.5
Izardiа: 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

Igoera zuzena: 08h44m06s
Deklinazioa: +18°39'44"

Saturn

Excellent
Itxurazko magnitudea: 0.7
Izardiа: 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

Igoera zuzena: 11h03m14s
Deklinazioa: +07°59'35"

Uranus

Fair
Itxurazko magnitudea: 5.6
Izardiа: Scorpius
Angular diameter: 3.6"
Status: near eastern quadrature

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

Igoera zuzena: 15h05m56s
Deklinazioa: -17°06'23"

Neptune

Fair
Itxurazko magnitudea: 8.0
Izardiа: Sagittarius
Angular diameter: 2.2"
Status: near eastern quadrature

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

Igoera zuzena: 17h09m13s
Deklinazioa: -21°32'28"

Moon

Excellent
Itxurazko magnitudea: -12.7
Izardiа: Gemini
Angular diameter: 11625.1"
Status: Moon illumination 99.6%

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

Igoera zuzena: 05h51m47s
Deklinazioa: +18°27'36"