April 1939 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

19 astronominių įvykių iš viso, įskaitant 4 Mėnulio fazes ir 2 planetinius įvykius.

Dienos dangaus reiškiniai

Visi laikai nurodyti vietos laiku (Asia/Shanghai)

Group Data Saulėtekis/Saulėlydis Mėnulio patekėjimas/leidimasis Mėnulio fazė Dangaus reiškiniai

Planetary outlook

April 1939 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: 1.9
Žvaigždynas: Aries
Angular diameter: 10.7"
Status: near greatest eastern elongation

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

Rektascensija: 00h21m34s
Deklinacija: +02°07'07"

Venus

Excellent
Regimasis ryškis: -4.0
Žvaigždynas: Pisces
Angular diameter: 13.7"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Venus is the brightest planet and is best seen at dusk or dawn

Rektascensija: 23h15m18s
Deklinacija: -06°05'20"

Mars

Excellent
Regimasis ryškis: -0.1
Žvaigždynas: Capricornus
Angular diameter: 9.7"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Rektascensija: 18h57m39s
Deklinacija: -23°28'18"

Jupiter

Excellent
Regimasis ryškis: -2.1
Žvaigždynas: Pisces
Angular diameter: 33.9"
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

Rektascensija: 23h40m58s
Deklinacija: -03°11'37"

Saturn

Excellent
Regimasis ryškis: 0.6
Žvaigždynas: Aries
Angular diameter: 16.0"
Status: near eastern quadrature

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

Rektascensija: 01h22m32s
Deklinacija: +06°16'14"

Uranus

Fair
Regimasis ryškis: 5.9
Žvaigždynas: Taurus
Angular diameter: 3.4"
Status: near western quadrature

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

Rektascensija: 02h56m18s
Deklinacija: +16°26'48"

Neptune

Fair
Regimasis ryškis: 7.9
Žvaigždynas: Virgo
Angular diameter: 2.3"
Status: near western quadrature

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

Rektascensija: 11h29m16s
Deklinacija: +04°37'24"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Pisces
Angular diameter: 11542.2"
Status: Moon illumination 20.6%

Observation tip: Moon illumination 20.6%; good for observing lunar surface detail

Rektascensija: 22h03m12s
Deklinacija: -06°44'24"