October 1990 Zeru gertakariak

Behatzailearen kokapena:Beijing (39.904°, 116.407°)

Planeten ikuspegi orokorra

20 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

October 1990 mid-month observing conditions

Mercury

Excellent
Itxurazko magnitudea: -1.3
Izardiа: Libra
Angular diameter: 4.9"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Igoera zuzena: 13h02m03s
Deklinazioa: -05°04'45"

Venus

Excellent
Itxurazko magnitudea: -3.9
Izardiа: Libra
Angular diameter: 9.8"
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: 13h04m07s
Deklinazioa: -05°24'50"

Mars

Excellent
Itxurazko magnitudea: -1.2
Izardiа: Gemini
Angular diameter: 15.2"
Status: near eastern quadrature

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

Igoera zuzena: 04h52m16s
Deklinazioa: +21°53'19"

Jupiter

Excellent
Itxurazko magnitudea: -2.0
Izardiа: Leo
Angular diameter: 35.9"
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: 08h51m40s
Deklinazioa: +18°03'08"

Saturn

Excellent
Itxurazko magnitudea: 0.5
Izardiа: Capricornus
Angular diameter: 16.6"
Status: near western quadrature

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

Igoera zuzena: 19h22m43s
Deklinazioa: -22°08'06"

Uranus

Fair
Itxurazko magnitudea: 5.7
Izardiа: Capricornus
Angular diameter: 3.6"
Status: near western quadrature

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

Igoera zuzena: 18h26m09s
Deklinazioa: -23°37'36"

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: 18h51m31s
Deklinazioa: -22°05'08"

Moon

Excellent
Itxurazko magnitudea: -12.7
Izardiа: Virgo
Angular diameter: 11995.6"
Status: Moon illumination 13.2%

Observation tip: Moon illumination 13.2%; good for observing lunar surface detail

Igoera zuzena: 10h38m07s
Deklinazioa: +05°31'40"