April 2001 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

20 astronominių įvykių iš viso, įskaitant 4 Mėnulio fazes ir 1 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 2001 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: -1.2
Žvaigždynas: Aries
Angular diameter: 5.1"
Status: near inferior conjunction

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

Rektascensija: 01h01m47s
Deklinacija: +04°48'23"

Venus

Excellent
Regimasis ryškis: -4.5
Žvaigždynas: Pisces
Angular diameter: 52.4"
Status: near greatest eastern 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: 23h59m09s
Deklinacija: +05°30'02"

Mars

Excellent
Regimasis ryškis: -0.6
Žvaigždynas: Sagittarius
Angular diameter: 12.0"
Status: near eastern quadrature

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

Rektascensija: 17h38m53s
Deklinacija: -23°26'27"

Jupiter

Excellent
Regimasis ryškis: -2.0
Žvaigždynas: Gemini
Angular diameter: 34.4"
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: 04h34m38s
Deklinacija: +21°32'51"

Saturn

Excellent
Regimasis ryškis: 0.2
Žvaigždynas: Taurus
Angular diameter: 16.8"
Status: near western quadrature

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

Rektascensija: 03h50m00s
Deklinacija: +18°16'31"

Uranus

Fair
Regimasis ryškis: 5.9
Žvaigždynas: Aquarius
Angular diameter: 3.4"
Status: near eastern quadrature

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

Rektascensija: 21h46m21s
Deklinacija: -14°09'57"

Neptune

Fair
Regimasis ryškis: 7.8
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: 20h43m54s
Deklinacija: -17°57'49"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Capricornus
Angular diameter: 11595.3"
Status: Moon illumination 56.3%

Observation tip: Moon illumination 56.3%; good for observing lunar surface detail

Rektascensija: 19h18m29s
Deklinacija: -22°58'43"