April 1989 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

23 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 1989 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: -1.4
Žvaigždynas: Taurus
Angular diameter: 5.5"
Status: near greatest western elongation

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascensija: 02h14m51s
Deklinacija: +14°24'53"

Venus

Excellent
Regimasis ryškis: -3.9
Žvaigždynas: Aries
Angular diameter: 9.7"
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: 01h43m54s
Deklinacija: +09°40'01"

Mars

Excellent
Regimasis ryškis: 1.5
Žvaigždynas: Gemini
Angular diameter: 4.8"
Status: near western quadrature

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

Rektascensija: 05h21m27s
Deklinacija: +24°31'09"

Jupiter

Excellent
Regimasis ryškis: -2.0
Žvaigždynas: Gemini
Angular diameter: 34.1"
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: 04h17m34s
Deklinacija: +20°50'08"

Saturn

Excellent
Regimasis ryškis: 0.4
Žvaigždynas: Capricornus
Angular diameter: 17.0"
Status: near eastern quadrature

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

Rektascensija: 18h59m58s
Deklinacija: -22°03'00"

Uranus

Fair
Regimasis ryškis: 5.7
Žvaigždynas: Capricornus
Angular diameter: 3.7"
Status: near eastern quadrature

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

Rektascensija: 18h23m13s
Deklinacija: -23°35'09"

Neptune

Fair
Regimasis ryškis: 7.8
Žvaigždynas: Capricornus
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascensija: 18h53m28s
Deklinacija: -21°56'48"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Leo
Angular diameter: 11647.5"
Status: Moon illumination 69.8%

Observation tip: Moon illumination 69.8%; good for observing lunar surface detail

Rektascensija: 09h24m11s
Deklinacija: +16°42'12"