April 2012 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

16 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 2012 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: 0.6
Žvaigždynas: Pisces
Angular diameter: 8.4"
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: 23h57m04s
Deklinacija: -02°26'24"

Venus

Excellent
Regimasis ryškis: -4.6
Žvaigždynas: Gemini
Angular diameter: 29.6"
Status: near superior 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: 04h29m43s
Deklinacija: +26°10'47"

Mars

Excellent
Regimasis ryškis: -0.4
Žvaigždynas: Virgo
Angular diameter: 11.3"
Status: near western quadrature

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

Rektascensija: 10h26m24s
Deklinacija: +12°41'02"

Jupiter

Excellent
Regimasis ryškis: -2.0
Žvaigždynas: Taurus
Angular diameter: 33.3"
Status: near western 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: 02h57m00s
Deklinacija: +15°57'07"

Saturn

Excellent
Regimasis ryškis: 0.3
Žvaigždynas: Libra
Angular diameter: 19.1"
Status: near eastern quadrature

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

Rektascensija: 13h41m23s
Deklinacija: -07°32'39"

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: 00h22m03s
Deklinacija: +01°37'59"

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: 22h18m35s
Deklinacija: -11°07'16"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Aquarius
Angular diameter: 11992.6"
Status: Moon illumination 34.0%

Observation tip: Moon illumination 34.0%; good for observing lunar surface detail

Rektascensija: 21h01m15s
Deklinacija: -11°56'10"