April 2018 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

21 astronominių įvykių iš viso, įskaitant 4 Mėnulio fazes ir 3 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 2018 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: 1.5
Žvaigždynas: Aries
Angular diameter: 10.5"
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: 00h18m19s
Deklinacija: +01°27'26"

Venus

Excellent
Regimasis ryškis: -3.9
Žvaigždynas: Taurus
Angular diameter: 10.9"
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

Rektascensija: 03h02m41s
Deklinacija: +17°21'42"

Mars

Excellent
Regimasis ryškis: -0.0
Žvaigždynas: Capricornus
Angular diameter: 9.5"
Status: near eastern quadrature

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

Rektascensija: 19h07m49s
Deklinacija: -23°15'57"

Jupiter

Excellent
Regimasis ryškis: -2.5
Žvaigždynas: Scorpius
Angular diameter: 43.8"
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: 15h16m31s
Deklinacija: -16°49'53"

Saturn

Excellent
Regimasis ryškis: 0.4
Žvaigždynas: Capricornus
Angular diameter: 17.1"
Status: near eastern quadrature

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

Rektascensija: 18h39m31s
Deklinacija: -22°14'14"

Uranus

Fair
Regimasis ryškis: 6.0
Žvaigždynas: Aries
Angular diameter: 3.4"
Status: near western quadrature

Observation tip: A telescope is required; Binoculars or a telescope are recommended

Rektascensija: 01h45m50s
Deklinacija: +10°22'11"

Neptune

Fair
Regimasis ryškis: 7.8
Žvaigždynas: Pisces
Angular diameter: 2.2"
Status: near eastern quadrature

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

Rektascensija: 23h07m41s
Deklinacija: -06°35'53"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Aries
Angular diameter: 12176.8"
Status: Moon illumination 1.6%

Observation tip: Moon illumination 1.6%; good for observing lunar surface detail

Rektascensija: 00h48m31s
Deklinacija: +00°30'34"