April 2017 Astronomické javy

Poloha pozorovateľa:Beijing (39.904°, 116.407°)

Prehľad mesačných nebeských úkazov

22 celkovo nebeských úkazov vrátane 4 fázy Mesiaca a 4 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

April 2017 mid-month observing conditions

Mercury

Good
Zdanlivá magnitúda: 3.8
Súhvezdie: Taurus
Angular diameter: 10.9"
Status: near superior conjunction

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascenzia: 02h01m33s
Deklinácia: +15°15'59"

Venus

Excellent
Zdanlivá magnitúda: -4.7
Súhvezdie: Pisces
Angular diameter: 49.0"
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: 23h41m29s
Deklinácia: +02°55'06"

Mars

Excellent
Zdanlivá magnitúda: 1.5
Súhvezdie: Taurus
Angular diameter: 4.1"
Status: near western quadrature

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

Rektascenzia: 03h32m14s
Deklinácia: +19°38'44"

Jupiter

Excellent
Zdanlivá magnitúda: -2.5
Súhvezdie: Libra
Angular diameter: 44.2"
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: 13h06m23s
Deklinácia: -05°21'05"

Saturn

Excellent
Zdanlivá magnitúda: 0.3
Súhvezdie: Sagittarius
Angular diameter: 17.4"
Status: near eastern quadrature

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

Rektascenzia: 17h50m12s
Deklinácia: -22°03'44"

Uranus

Fair
Zdanlivá magnitúda: 6.0
Súhvezdie: Aries
Angular diameter: 3.4"
Status: near eastern quadrature

Observation tip: A telescope is required; Binoculars or a telescope are recommended

Rektascenzia: 01h31m36s
Deklinácia: +08°58'25"

Neptune

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

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

Rektascenzia: 22h59m36s
Deklinácia: -07°22'33"

Moon

Excellent
Zdanlivá magnitúda: -12.7
Súhvezdie: Sagittarius
Angular diameter: 11477.4"
Status: Moon illumination 87.4%

Observation tip: Moon illumination 87.4%; good for observing lunar surface detail

Rektascenzia: 16h23m05s
Deklinácia: -16°25'25"