December 2018 Zeru gertakariak

Behatzailearen kokapena:Beijing (39.904°, 116.407°)

Planeten ikuspegi orokorra

19 guztira zeru-gertaerak, barne 4 ilargi-faseak eta 1 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 2018 mid-month observing conditions

Mercury

Excellent
Itxurazko magnitudea: -0.3
Izardiа: 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

Igoera zuzena: 16h00m44s
Deklinazioa: -18°16'18"

Venus

Excellent
Itxurazko magnitudea: -4.8
Izardiа: 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

Igoera zuzena: 14h27m23s
Deklinazioa: -11°35'54"

Mars

Excellent
Itxurazko magnitudea: 0.2
Izardiа: 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

Igoera zuzena: 23h19m13s
Deklinazioa: -05°10'43"

Jupiter

Excellent
Itxurazko magnitudea: -1.8
Izardiа: 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

Igoera zuzena: 16h25m48s
Deklinazioa: -21°01'27"

Saturn

Excellent
Itxurazko magnitudea: 0.6
Izardiа: 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

Igoera zuzena: 18h40m42s
Deklinazioa: -22°35'58"

Uranus

Fair
Itxurazko magnitudea: 5.8
Izardiа: Aries
Angular diameter: 3.7"
Status: near western quadrature

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

Igoera zuzena: 01h47m56s
Deklinazioa: +10°32'48"

Neptune

Fair
Itxurazko magnitudea: 7.8
Izardiа: Pisces
Angular diameter: 2.3"
Status: near western quadrature

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

Igoera zuzena: 23h01m50s
Deklinazioa: -07°16'08"

Moon

Excellent
Itxurazko magnitudea: -12.7
Izardiа: Pisces
Angular diameter: 11588.3"
Status: Moon illumination 45.4%

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

Igoera zuzena: 23h20m22s
Deklinazioa: -08°38'05"