July 1990 Zeru gertakariak

Behatzailearen kokapena:Beijing (39.904°, 116.407°)

Planeten ikuspegi orokorra

27 guztira zeru-gertaerak, barne 4 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

July 1990 mid-month observing conditions

Mercury

Excellent
Itxurazko magnitudea: -0.9
Izardiа: Leo
Angular diameter: 5.3"
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: 08h34m41s
Deklinazioa: +20°33'30"

Venus

Excellent
Itxurazko magnitudea: -3.9
Izardiа: Gemini
Angular diameter: 11.7"
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: 05h33m14s
Deklinazioa: +22°19'01"

Mars

Excellent
Itxurazko magnitudea: 0.1
Izardiа: Taurus
Angular diameter: 8.4"
Status: near eastern quadrature

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

Igoera zuzena: 02h00m41s
Deklinazioa: +10°05'43"

Jupiter

Excellent
Itxurazko magnitudea: -1.8
Izardiа: Cancer
Angular diameter: 31.6"
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: 07h37m05s
Deklinazioa: +21°48'00"

Saturn

Excellent
Itxurazko magnitudea: -0.0
Izardiа: Capricornus
Angular diameter: 18.5"
Status: near western quadrature

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

Igoera zuzena: 19h35m01s
Deklinazioa: -21°34'14"

Uranus

Fair
Itxurazko magnitudea: 5.6
Izardiа: Capricornus
Angular diameter: 3.8"
Status: near western quadrature

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

Igoera zuzena: 18h30m30s
Deklinazioa: -23°35'07"

Neptune

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

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

Igoera zuzena: 18h55m51s
Deklinazioa: -21°56'40"

Moon

Excellent
Itxurazko magnitudea: -12.7
Izardiа: Aries
Angular diameter: 12446.3"
Status: Moon illumination 55.3%

Observation tip: Moon illumination 55.3%; good for observing lunar surface detail

Igoera zuzena: 00h52m16s
Deklinazioa: +10°55'56"