April 2011 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

19 astronominių įvykių iš viso, įskaitant 4 Mėnulio fazes ir 3 planetinius įvykius.

Dienos dangaus reiškiniai

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

Planetary outlook

April 2011 mid-month observing conditions

Mercury

Fair
Regimasis ryškis: 4.1
Žvaigždynas: Aries
Angular diameter: 11.6"
Status: near greatest eastern elongation

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascensija: 00h56m27s
Deklinacija: +07°13'27"

Venus

Excellent
Regimasis ryškis: -3.9
Žvaigždynas: Pisces
Angular diameter: 12.4"
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: 23h34m47s
Deklinacija: -04°13'35"

Mars

Excellent
Regimasis ryškis: 1.2
Žvaigždynas: Aries
Angular diameter: 4.0"
Status: near eastern quadrature

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

Rektascensija: 00h37m50s
Deklinacija: +03°09'17"

Jupiter

Excellent
Regimasis ryškis: -2.1
Žvaigždynas: Aries
Angular diameter: 33.2"
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: 01h09m50s
Deklinacija: +06°14'48"

Saturn

Excellent
Regimasis ryškis: 0.4
Žvaigždynas: 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

Rektascensija: 12h52m13s
Deklinacija: -02°37'42"

Uranus

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

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

Rektascensija: 00h08m08s
Deklinacija: +00°06'41"

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: 22h10m09s
Deklinacija: -11°50'28"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Virgo
Angular diameter: 12833.0"
Status: Moon illumination 85.8%

Observation tip: Moon illumination 85.8%; good for observing lunar surface detail

Rektascensija: 10h41m00s
Deklinacija: +03°02'44"