December 2004 Astronomické javy

Poloha pozorovateľa:Beijing (39.904°, 116.407°)

Prehľad mesačných nebeských úkazov

23 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 2004 mid-month observing conditions

Mercury

Good
Zdanlivá magnitúda: 2.1
Súhvezdie: Sagittarius
Angular diameter: 9.5"
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: 16h47m18s
Deklinácia: -19°42'16"

Venus

Excellent
Zdanlivá magnitúda: -3.9
Súhvezdie: Scorpius
Angular diameter: 11.3"
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

Rektascenzia: 15h43m40s
Deklinácia: -18°21'29"

Mars

Excellent
Zdanlivá magnitúda: 1.6
Súhvezdie: Scorpius
Angular diameter: 4.0"
Status: near eastern quadrature

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

Rektascenzia: 15h21m35s
Deklinácia: -18°07'59"

Jupiter

Excellent
Zdanlivá magnitúda: -1.9
Súhvezdie: Libra
Angular diameter: 34.3"
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

Rektascenzia: 12h58m20s
Deklinácia: -04°53'44"

Saturn

Excellent
Zdanlivá magnitúda: -0.2
Súhvezdie: Cancer
Angular diameter: 20.2"
Status: near eastern quadrature

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

Rektascenzia: 07h52m32s
Deklinácia: +20°52'47"

Uranus

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

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

Rektascenzia: 22h22m10s
Deklinácia: -10°59'03"

Neptune

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

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

Rektascenzia: 21h03m18s
Deklinácia: -16°54'14"

Moon

Excellent
Zdanlivá magnitúda: -12.7
Súhvezdie: Aquarius
Angular diameter: 12852.9"
Status: Moon illumination 12.8%

Observation tip: Moon illumination 12.8%; good for observing lunar surface detail

Rektascenzia: 20h34m15s
Deklinácia: -23°58'45"