December 1984 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 1984 mid-month observing conditions

Mercury

Fair
Itxurazko magnitudea: 5.9
Izardiа: Sagittarius
Angular diameter: 9.9"
Status: near greatest eastern elongation

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

Igoera zuzena: 17h26m41s
Deklinazioa: -21°17'25"

Venus

Excellent
Itxurazko magnitudea: -4.2
Izardiа: Aquarius
Angular diameter: 17.3"
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

Igoera zuzena: 20h39m24s
Deklinazioa: -20°41'57"

Mars

Excellent
Itxurazko magnitudea: 0.8
Izardiа: Aquarius
Angular diameter: 5.8"
Status: near western quadrature

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

Igoera zuzena: 21h39m41s
Deklinazioa: -15°17'02"

Jupiter

Excellent
Itxurazko magnitudea: -1.9
Izardiа: Capricornus
Angular diameter: 32.6"
Status: near western 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: 19h16m20s
Deklinazioa: -22°30'44"

Saturn

Excellent
Itxurazko magnitudea: 0.6
Izardiа: Scorpius
Angular diameter: 15.5"
Status: near eastern quadrature

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

Igoera zuzena: 15h24m30s
Deklinazioa: -16°32'17"

Uranus

Fair
Itxurazko magnitudea: 5.7
Izardiа: Sagittarius
Angular diameter: 3.5"
Status: near eastern quadrature

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

Igoera zuzena: 16h52m07s
Deklinazioa: -22°31'29"

Neptune

Fair
Itxurazko magnitudea: 8.0
Izardiа: Capricornus
Angular diameter: 2.2"
Status: near western quadrature

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

Igoera zuzena: 18h03m38s
Deklinazioa: -22°19'29"

Moon

Excellent
Itxurazko magnitudea: -12.7
Izardiа: Virgo
Angular diameter: 12504.4"
Status: Moon illumination 57.4%

Observation tip: Moon illumination 57.4%; good for observing lunar surface detail

Igoera zuzena: 11h11m50s
Deklinazioa: +10°35'06"