April 2021 Astronomické javy

Poloha pozorovateľa:Beijing (39.904°, 116.407°)

Prehľad mesačných nebeských úkazov

23 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

April 2021 mid-month observing conditions

Mercury

Excellent
Zdanlivá magnitúda: -1.7
Súhvezdie: Aries
Angular diameter: 5.0"
Status: near inferior conjunction

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

Rektascenzia: 01h18m32s
Deklinácia: +07°00'08"

Venus

Excellent
Zdanlivá magnitúda: -3.9
Súhvezdie: Aries
Angular diameter: 9.7"
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: 01h54m03s
Deklinácia: +10°43'08"

Mars

Excellent
Zdanlivá magnitúda: 1.4
Súhvezdie: Gemini
Angular diameter: 5.0"
Status: near western quadrature

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

Rektascenzia: 05h37m21s
Deklinácia: +24°48'32"

Jupiter

Excellent
Zdanlivá magnitúda: -2.1
Súhvezdie: Aquarius
Angular diameter: 35.9"
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: 21h53m15s
Deklinácia: -13°33'51"

Saturn

Excellent
Zdanlivá magnitúda: 0.7
Súhvezdie: Aquarius
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: 20h59m51s
Deklinácia: -17°37'15"

Uranus

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

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

Rektascenzia: 02h30m01s
Deklinácia: +14°21'20"

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: 23h31m57s
Deklinácia: -04°12'11"

Moon

Excellent
Zdanlivá magnitúda: -12.7
Súhvezdie: Taurus
Angular diameter: 11456.2"
Status: Moon illumination 7.4%

Observation tip: Moon illumination 7.4%; good for observing lunar surface detail

Rektascenzia: 03h39m09s
Deklinácia: +18°09'31"