April 1981 Astronomické javy

Poloha pozorovateľa:Beijing (39.904°, 116.407°)

Prehľad mesačných nebeských úkazov

22 celkovo nebeských úkazov vrátane 4 fázy Mesiaca a 3 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 1981 mid-month observing conditions

Mercury

Excellent
Zdanlivá magnitúda: -0.8
Súhvezdie: Aries
Angular diameter: 5.2"
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: 00h46m22s
Deklinácia: +02°47'47"

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: 01h41m21s
Deklinácia: +09°23'52"

Mars

Excellent
Zdanlivá magnitúda: 1.1
Súhvezdie: Aries
Angular diameter: 3.9"
Status: near eastern quadrature

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

Rektascenzia: 01h22m59s
Deklinácia: +08°09'49"

Jupiter

Excellent
Zdanlivá magnitúda: -2.4
Súhvezdie: Libra
Angular diameter: 43.7"
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: 12h13m41s
Deklinácia: +00°14'08"

Saturn

Excellent
Zdanlivá magnitúda: 0.5
Súhvezdie: Libra
Angular diameter: 19.3"
Status: near western quadrature

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

Rektascenzia: 12h22m35s
Deklinácia: +00°26'20"

Uranus

Fair
Zdanlivá magnitúda: 5.5
Súhvezdie: Scorpius
Angular diameter: 3.9"
Status: near eastern quadrature

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

Rektascenzia: 15h49m03s
Deklinácia: -19°48'17"

Neptune

Fair
Zdanlivá magnitúda: 7.9
Súhvezdie: Sagittarius
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascenzia: 17h37m24s
Deklinácia: -21°59'18"

Moon

Excellent
Zdanlivá magnitúda: -12.7
Súhvezdie: Virgo
Angular diameter: 11748.7"
Status: Moon illumination 83.4%

Observation tip: Moon illumination 83.4%; good for observing lunar surface detail

Rektascenzia: 10h37m40s
Deklinácia: +11°17'44"