December 1997 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

December 1997 mid-month observing conditions

Mercury

Fair
Itxurazko magnitudea: 4.3
Izardiа: Sagittarius
Angular diameter: 9.8"
Status: near superior conjunction

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

Igoera zuzena: 17h53m39s
Deklinazioa: -22°13'42"

Venus

Excellent
Itxurazko magnitudea: -4.9
Izardiа: Aquarius
Angular diameter: 43.1"
Status: near superior 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: 20h15m27s
Deklinazioa: -21°15'37"

Mars

Excellent
Itxurazko magnitudea: 1.1
Izardiа: Capricornus
Angular diameter: 4.5"
Status: near western quadrature

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

Igoera zuzena: 19h59m04s
Deklinazioa: -21°52'36"

Jupiter

Excellent
Itxurazko magnitudea: -2.1
Izardiа: Aquarius
Angular diameter: 35.8"
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: 21h26m31s
Deklinazioa: -15°59'20"

Saturn

Excellent
Itxurazko magnitudea: 0.5
Izardiа: Aries
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: 00h53m50s
Deklinazioa: +02°57'29"

Uranus

Fair
Itxurazko magnitudea: 5.9
Izardiа: Aquarius
Angular diameter: 3.4"
Status: near western quadrature

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

Igoera zuzena: 20h35m13s
Deklinazioa: -19°17'28"

Neptune

Fair
Itxurazko magnitudea: 7.9
Izardiа: Aquarius
Angular diameter: 2.2"
Status: near western quadrature

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

Igoera zuzena: 20h01m32s
Deklinazioa: -20°07'40"

Moon

Excellent
Itxurazko magnitudea: -12.7
Izardiа: Cancer
Angular diameter: 12209.9"
Status: Moon illumination 98.9%

Observation tip: Moon illumination 98.9%; good for observing lunar surface detail

Igoera zuzena: 06h18m00s
Deklinazioa: +18°39'44"