April 1977 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

21 astronominių įvykių iš viso, įskaitant 4 Mėnulio fazes ir 3 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 1977 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: 0.7
Žvaigždynas: Taurus
Angular diameter: 8.7"
Status: near superior conjunction

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascensija: 02h39m08s
Deklinacija: +18°39'18"

Venus

Excellent
Regimasis ryškis: -4.2
Žvaigždynas: Aries
Angular diameter: 56.6"
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: 00h32m01s
Deklinacija: +09°59'21"

Mars

Excellent
Regimasis ryškis: 1.2
Žvaigždynas: Pisces
Angular diameter: 4.5"
Status: near eastern quadrature

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

Rektascensija: 23h25m52s
Deklinacija: -05°00'25"

Jupiter

Excellent
Regimasis ryškis: -2.0
Žvaigždynas: Gemini
Angular diameter: 33.9"
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: 04h01m21s
Deklinacija: +20°02'54"

Saturn

Excellent
Regimasis ryškis: 0.3
Žvaigždynas: Leo
Angular diameter: 18.8"
Status: near western quadrature

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

Rektascensija: 08h50m45s
Deklinacija: +18°42'10"

Uranus

Fair
Regimasis ryškis: 5.4
Žvaigždynas: Scorpius
Angular diameter: 4.0"
Status: near eastern quadrature

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

Rektascensija: 14h32m32s
Deklinacija: -14°30'15"

Neptune

Fair
Regimasis ryškis: 7.9
Žvaigždynas: Sagittarius
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascensija: 16h59m37s
Deklinacija: -21°11'11"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Pisces
Angular diameter: 11841.7"
Status: Moon illumination 11.2%

Observation tip: Moon illumination 11.2%; good for observing lunar surface detail

Rektascensija: 23h03m27s
Deklinacija: -02°28'40"