December 2011 Astronomické javy

Poloha pozorovateľa:Beijing (39.904°, 116.407°)

Prehľad mesačných nebeských úkazov

16 celkovo nebeských úkazov vrátane 4 fázy Mesiaca a 2 planetárne javy.

Denné nebeské úkazy

Všetky časy sú v miestnom čase (Asia/Shanghai)

Group Dátum Východ/západ Slnka Východ/západ Mesiaca Fáza Mesiaca Astronomické javy

Planetary outlook

December 2011 mid-month observing conditions

Mercury

Excellent
Zdanlivá magnitúda: 0.1
Súhvezdie: Sagittarius
Angular diameter: 8.1"
Status: near greatest eastern elongation

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

Rektascenzia: 16h09m55s
Deklinácia: -18°10'05"

Venus

Excellent
Zdanlivá magnitúda: -3.9
Súhvezdie: Capricornus
Angular diameter: 12.1"
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

Rektascenzia: 19h40m04s
Deklinácia: -23°13'36"

Mars

Excellent
Zdanlivá magnitúda: 0.5
Súhvezdie: Virgo
Angular diameter: 7.8"
Status: near eastern quadrature

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

Rektascenzia: 11h08m21s
Deklinácia: +08°14'51"

Jupiter

Excellent
Zdanlivá magnitúda: -2.7
Súhvezdie: Aries
Angular diameter: 45.8"
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

Rektascenzia: 01h55m42s
Deklinácia: +10°26'14"

Saturn

Excellent
Zdanlivá magnitúda: 0.8
Súhvezdie: Libra
Angular diameter: 16.3"
Status: near eastern quadrature

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

Rektascenzia: 13h43m43s
Deklinácia: -08°12'31"

Uranus

Fair
Zdanlivá magnitúda: 5.9
Súhvezdie: Aries
Angular diameter: 3.5"
Status: near western quadrature

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

Rektascenzia: 00h03m33s
Deklinácia: -00°24'53"

Neptune

Fair
Zdanlivá magnitúda: 7.8
Súhvezdie: Pisces
Angular diameter: 2.2"
Status: near western quadrature

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

Rektascenzia: 22h03m20s
Deklinácia: -12°30'45"

Moon

Excellent
Zdanlivá magnitúda: -12.7
Súhvezdie: Leo
Angular diameter: 12149.2"
Status: Moon illumination 81.0%

Observation tip: Moon illumination 81.0%; good for observing lunar surface detail

Rektascenzia: 09h01m52s
Deklinácia: +12°07'46"