April 1998 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

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

Dienos dangaus reiškiniai

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

Planetary outlook

April 1998 mid-month observing conditions

Mercury

Good
Regimasis ryškis: 2.9
Žvaigždynas: Aries
Angular diameter: 11.3"
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: 00h39m44s
Deklinacija: +04°45'44"

Venus

Excellent
Regimasis ryškis: -4.3
Žvaigždynas: Pisces
Angular diameter: 20.3"
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: 22h43m34s
Deklinacija: -08°11'53"

Mars

Excellent
Regimasis ryškis: 1.2
Žvaigždynas: Aries
Angular diameter: 3.8"
Status: near western quadrature

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

Rektascensija: 01h57m35s
Deklinacija: +11°44'27"

Jupiter

Excellent
Regimasis ryškis: -2.1
Žvaigždynas: Pisces
Angular diameter: 34.3"
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: 23h10m59s
Deklinacija: -06°18'33"

Saturn

Excellent
Regimasis ryškis: 0.6
Žvaigždynas: Aries
Angular diameter: 16.1"
Status: near eastern quadrature

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

Rektascensija: 01h30m28s
Deklinacija: +07°03'10"

Uranus

Fair
Regimasis ryškis: 5.9
Žvaigždynas: Aquarius
Angular diameter: 3.5"
Status: near eastern quadrature

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

Rektascensija: 20h59m49s
Deklinacija: -17°42'33"

Neptune

Fair
Regimasis ryškis: nan
Žvaigždynas: Aquarius
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascensija: 20h16m56s
Deklinacija: -19°21'15"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Scorpius
Angular diameter: 11593.0"
Status: Moon illumination 91.5%

Observation tip: Moon illumination 91.5%; good for observing lunar surface detail

Rektascensija: 15h49m49s
Deklinacija: -14°54'47"