December 2001 Zeru gertakariak

Behatzailearen kokapena:Beijing (39.904°, 116.407°)

Planeten ikuspegi orokorra

27 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

December 2001 mid-month observing conditions

Mercury

Excellent
Itxurazko magnitudea: -0.9
Izardiа: Sagittarius
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: 17h54m12s
Deklinazioa: -25°13'01"

Venus

Excellent
Itxurazko magnitudea: -3.9
Izardiа: Sagittarius
Angular diameter: 9.9"
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: 16h58m18s
Deklinazioa: -22°24'20"

Mars

Excellent
Itxurazko magnitudea: 0.5
Izardiа: Pisces
Angular diameter: 6.8"
Status: near western quadrature

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

Igoera zuzena: 22h26m48s
Deklinazioa: -10°51'50"

Jupiter

Excellent
Itxurazko magnitudea: -2.7
Izardiа: Cancer
Angular diameter: 46.6"
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: 06h55m59s
Deklinazioa: +22°46'39"

Saturn

Excellent
Itxurazko magnitudea: -0.4
Izardiа: Gemini
Angular diameter: 20.5"
Status: near western quadrature

Observation tip: Very bright, easily visible to the naked eye; Saturn’s rings require a telescope to see clearly

Igoera zuzena: 04h36m56s
Deklinazioa: +20°11'44"

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: 21h37m26s
Deklinazioa: -14°55'35"

Neptune

Fair
Itxurazko magnitudea: 7.8
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: 20h37m03s
Deklinazioa: -18°26'34"

Moon

Excellent
Itxurazko magnitudea: -12.7
Izardiа: Sagittarius
Angular diameter: 12057.6"
Status: Moon illumination 0.0%

Observation tip: Moon illumination 0.0%; good for observing lunar surface detail

Igoera zuzena: 17h36m52s
Deklinazioa: -23°06'19"