December 1988 Zeru gertakariak

Behatzailearen kokapena:Beijing (39.904°, 116.407°)

Planeten ikuspegi orokorra

25 guztira zeru-gertaerak, barne 5 ilargi-faseak eta 4 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 1988 mid-month observing conditions

Mercury

Excellent
Itxurazko magnitudea: -0.9
Izardiа: Capricornus
Angular diameter: 4.8"
Status: near greatest western 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: 18h03m31s
Deklinazioa: -25°22'21"

Venus

Excellent
Itxurazko magnitudea: -3.9
Izardiа: Scorpius
Angular diameter: 11.5"
Status: near inferior conjunction

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: 15h38m29s
Deklinazioa: -18°00'07"

Mars

Excellent
Itxurazko magnitudea: -0.5
Izardiа: Aries
Angular diameter: 11.3"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Igoera zuzena: 00h44m19s
Deklinazioa: +04°52'24"

Jupiter

Excellent
Itxurazko magnitudea: -2.8
Izardiа: Taurus
Angular diameter: 47.9"
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: 03h44m54s
Deklinazioa: +18°49'48"

Saturn

Excellent
Itxurazko magnitudea: 0.5
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: 18h15m33s
Deklinazioa: -22°39'25"

Uranus

Fair
Itxurazko magnitudea: 5.8
Izardiа: Capricornus
Angular diameter: 3.5"
Status: near western quadrature

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

Igoera zuzena: 18h03m11s
Deklinazioa: -23°39'27"

Neptune

Fair
Itxurazko magnitudea: 7.9
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: 18h40m08s
Deklinazioa: -22°12'47"

Moon

Excellent
Itxurazko magnitudea: -12.7
Izardiа: Pisces
Angular diameter: 12550.7"
Status: Moon illumination 36.2%

Observation tip: Moon illumination 36.2%; good for observing lunar surface detail

Igoera zuzena: 22h35m21s
Deklinazioa: -08°58'28"