April 2021 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

23 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 2021 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: -1.7
Žvaigždynas: Aries
Angular diameter: 5.0"
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: 01h18m32s
Deklinacija: +07°00'08"

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: 01h54m03s
Deklinacija: +10°43'08"

Mars

Excellent
Regimasis ryškis: 1.4
Žvaigždynas: Gemini
Angular diameter: 5.0"
Status: near western quadrature

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

Rektascensija: 05h37m21s
Deklinacija: +24°48'32"

Jupiter

Excellent
Regimasis ryškis: -2.1
Žvaigždynas: Aquarius
Angular diameter: 35.9"
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: 21h53m15s
Deklinacija: -13°33'51"

Saturn

Excellent
Regimasis ryškis: 0.7
Žvaigždynas: Aquarius
Angular diameter: 16.3"
Status: near eastern quadrature

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

Rektascensija: 20h59m51s
Deklinacija: -17°37'15"

Uranus

Fair
Regimasis ryškis: 5.9
Žvaigždynas: Taurus
Angular diameter: 3.4"
Status: near western quadrature

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

Rektascensija: 02h30m01s
Deklinacija: +14°21'20"

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: 23h31m57s
Deklinacija: -04°12'11"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Taurus
Angular diameter: 11456.2"
Status: Moon illumination 7.4%

Observation tip: Moon illumination 7.4%; good for observing lunar surface detail

Rektascensija: 03h39m09s
Deklinacija: +18°09'31"