January 1987 Zeru gertakariak

Behatzailearen kokapena:Beijing (39.904°, 116.407°)

Planeten ikuspegi orokorra

21 guztira zeru-gertaerak, barne 4 ilargi-faseak eta 2 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

January 1987 mid-month observing conditions

Mercury

Excellent
Itxurazko magnitudea: -1.4
Izardiа: Capricornus
Angular diameter: 4.7"
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: 19h52m31s
Deklinazioa: -23°00'11"

Venus

Excellent
Itxurazko magnitudea: -4.5
Izardiа: Sagittarius
Angular diameter: 25.1"
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: 16h25m01s
Deklinazioa: -17°59'27"

Mars

Excellent
Itxurazko magnitudea: 0.7
Izardiа: Aries
Angular diameter: 6.4"
Status: near western quadrature

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

Igoera zuzena: 00h16m55s
Deklinazioa: +01°38'17"

Jupiter

Excellent
Itxurazko magnitudea: -2.2
Izardiа: Pisces
Angular diameter: 36.2"
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: 23h24m46s
Deklinazioa: -05°04'00"

Saturn

Excellent
Itxurazko magnitudea: 0.5
Izardiа: Sagittarius
Angular diameter: 15.4"
Status: near eastern quadrature

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

Igoera zuzena: 17h03m37s
Deklinazioa: -21°18'56"

Uranus

Fair
Itxurazko magnitudea: 5.7
Izardiа: Sagittarius
Angular diameter: 3.5"
Status: near eastern quadrature

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

Igoera zuzena: 17h35m34s
Deklinazioa: -23°26'23"

Neptune

Fair
Itxurazko magnitudea: 7.9
Izardiа: Capricornus
Angular diameter: 2.2"
Status: near eastern quadrature

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

Igoera zuzena: 18h26m50s
Deklinazioa: -22°17'18"

Moon

Excellent
Itxurazko magnitudea: -12.7
Izardiа: Cancer
Angular diameter: 11478.7"
Status: Moon illumination 99.8%

Observation tip: Moon illumination 99.8%; good for observing lunar surface detail

Igoera zuzena: 07h43m37s
Deklinazioa: +26°19'29"