December 1998 Astronomické javy

Poloha pozorovateľa:Beijing (39.904°, 116.407°)

Prehľad mesačných nebeských úkazov

24 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 1998 mid-month observing conditions

Mercury

Excellent
Zdanlivá magnitúda: -0.1
Súhvezdie: Sagittarius
Angular diameter: 7.5"
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: 16h03m25s
Deklinácia: -18°01'13"

Venus

Excellent
Zdanlivá magnitúda: -3.9
Súhvezdie: Capricornus
Angular diameter: 10.0"
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: 18h17m45s
Deklinácia: -24°10'33"

Mars

Excellent
Zdanlivá magnitúda: 1.2
Súhvezdie: Libra
Angular diameter: 5.6"
Status: near eastern quadrature

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

Rektascenzia: 12h38m12s
Deklinácia: -02°10'07"

Jupiter

Excellent
Zdanlivá magnitúda: -2.4
Súhvezdie: Pisces
Angular diameter: 40.1"
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: 23h24m36s
Deklinácia: -05°13'43"

Saturn

Excellent
Zdanlivá magnitúda: 0.3
Súhvezdie: Aries
Angular diameter: 19.1"
Status: near western quadrature

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

Rektascenzia: 01h43m54s
Deklinácia: +07°56'25"

Uranus

Fair
Zdanlivá magnitúda: 5.9
Súhvezdie: Aquarius
Angular diameter: 3.4"
Status: near western quadrature

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

Rektascenzia: 20h51m03s
Deklinácia: -18°18'53"

Neptune

Fair
Zdanlivá magnitúda: 7.9
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: 20h10m27s
Deklinácia: -19°44'56"

Moon

Excellent
Zdanlivá magnitúda: -12.7
Súhvezdie: Scorpius
Angular diameter: 11468.2"
Status: Moon illumination 14.0%

Observation tip: Moon illumination 14.0%; good for observing lunar surface detail

Rektascenzia: 14h33m41s
Deklinácia: -09°56'09"