December 2018 Astronomické javy

Poloha pozorovateľa:Beijing (39.904°, 116.407°)

Prehľad mesačných nebeských úkazov

19 celkovo nebeských úkazov vrátane 4 fázy Mesiaca a 1 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 2018 mid-month observing conditions

Mercury

Excellent
Zdanlivá magnitúda: -0.3
Súhvezdie: Sagittarius
Angular diameter: 6.7"
Status: near greatest eastern elongation

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascenzia: 16h00m44s
Deklinácia: -18°16'18"

Venus

Excellent
Zdanlivá magnitúda: -4.8
Súhvezdie: Scorpius
Angular diameter: 32.9"
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

Rektascenzia: 14h27m23s
Deklinácia: -11°35'54"

Mars

Excellent
Zdanlivá magnitúda: 0.2
Súhvezdie: Pisces
Angular diameter: 8.4"
Status: near western quadrature

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

Rektascenzia: 23h19m13s
Deklinácia: -05°10'43"

Jupiter

Excellent
Zdanlivá magnitúda: -1.8
Súhvezdie: Sagittarius
Angular diameter: 31.3"
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: 16h25m48s
Deklinácia: -21°01'27"

Saturn

Excellent
Zdanlivá magnitúda: 0.6
Súhvezdie: Capricornus
Angular diameter: 15.1"
Status: near western quadrature

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

Rektascenzia: 18h40m42s
Deklinácia: -22°35'58"

Uranus

Fair
Zdanlivá magnitúda: 5.8
Súhvezdie: Aries
Angular diameter: 3.7"
Status: near western quadrature

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

Rektascenzia: 01h47m56s
Deklinácia: +10°32'48"

Neptune

Fair
Zdanlivá magnitúda: 7.8
Súhvezdie: Pisces
Angular diameter: 2.3"
Status: near western quadrature

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

Rektascenzia: 23h01m50s
Deklinácia: -07°16'08"

Moon

Excellent
Zdanlivá magnitúda: -12.7
Súhvezdie: Pisces
Angular diameter: 11588.3"
Status: Moon illumination 45.4%

Observation tip: Moon illumination 45.4%; good for observing lunar surface detail

Rektascenzia: 23h20m22s
Deklinácia: -08°38'05"