July 1981 Zeru gertakariak

Behatzailearen kokapena:Beijing (39.904°, 116.407°)

Planeten ikuspegi orokorra

23 guztira zeru-gertaerak, barne 5 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

July 1981 mid-month observing conditions

Mercury

Excellent
Itxurazko magnitudea: 0.3
Izardiа: Cancer
Angular diameter: 7.8"
Status: near inferior conjunction

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Igoera zuzena: 06h07m55s
Deklinazioa: +20°49'54"

Venus

Excellent
Itxurazko magnitudea: -3.9
Izardiа: Leo
Angular diameter: 11.3"
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: 09h25m27s
Deklinazioa: +16°51'29"

Mars

Excellent
Itxurazko magnitudea: 1.6
Izardiа: Gemini
Angular diameter: 3.9"
Status: near eastern quadrature

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

Igoera zuzena: 05h50m00s
Deklinazioa: +23°51'56"

Jupiter

Excellent
Itxurazko magnitudea: -1.9
Izardiа: Libra
Angular diameter: 34.6"
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: 12h15m31s
Deklinazioa: -00°19'18"

Saturn

Excellent
Itxurazko magnitudea: 0.9
Izardiа: Libra
Angular diameter: 16.9"
Status: near western quadrature

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

Igoera zuzena: 12h19m30s
Deklinazioa: +00°27'04"

Uranus

Fair
Itxurazko magnitudea: 5.5
Izardiа: Scorpius
Angular diameter: 3.9"
Status: near western quadrature

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

Igoera zuzena: 15h35m51s
Deklinazioa: -19°06'21"

Neptune

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

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

Igoera zuzena: 17h28m34s
Deklinazioa: -21°53'12"

Moon

Excellent
Itxurazko magnitudea: -12.7
Izardiа: Sagittarius
Angular diameter: 11642.3"
Status: Moon illumination 95.2%

Observation tip: Moon illumination 95.2%; good for observing lunar surface detail

Igoera zuzena: 17h48m27s
Deklinazioa: -20°25'44"