April 1940 Astronomické javy

Poloha pozorovateľa:Beijing (39.904°, 116.407°)

Prehľad mesačných nebeských úkazov

24 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 1940 mid-month observing conditions

Mercury

Excellent
Zdanlivá magnitúda: 0.4
Súhvezdie: Pisces
Angular diameter: 7.4"
Status: near inferior conjunction

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascenzia: 23h54m29s
Deklinácia: -03°11'41"

Venus

Excellent
Zdanlivá magnitúda: -4.4
Súhvezdie: Gemini
Angular diameter: 22.8"
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: 04h33m28s
Deklinácia: +25°17'42"

Mars

Excellent
Zdanlivá magnitúda: 1.6
Súhvezdie: Gemini
Angular diameter: 4.4"
Status: near western quadrature

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

Rektascenzia: 04h27m23s
Deklinácia: +22°43'41"

Jupiter

Excellent
Zdanlivá magnitúda: -2.1
Súhvezdie: Aries
Angular diameter: 33.1"
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: 01h25m09s
Deklinácia: +07°48'10"

Saturn

Excellent
Zdanlivá magnitúda: 0.4
Súhvezdie: Taurus
Angular diameter: 16.2"
Status: near western quadrature

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

Rektascenzia: 02h06m43s
Deklinácia: +10°29'10"

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: 03h12m12s
Deklinácia: +17°35'16"

Neptune

Fair
Zdanlivá magnitúda: 7.9
Súhvezdie: Virgo
Angular diameter: 2.3"
Status: near western quadrature

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

Rektascenzia: 11h37m30s
Deklinácia: +03°47'44"

Moon

Excellent
Zdanlivá magnitúda: -12.7
Súhvezdie: Cancer
Angular diameter: 12250.5"
Status: Moon illumination 43.9%

Observation tip: Moon illumination 43.9%; good for observing lunar surface detail

Rektascenzia: 07h13m38s
Deklinácia: +17°01'53"