August 1981 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

21 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

August 1981 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: -1.5
Žvaigždynas: Leo
Angular diameter: 4.9"
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: 09h59m23s
Deklinacija: +14°07'00"

Venus

Excellent
Regimasis ryškis: -3.9
Žvaigždynas: Virgo
Angular diameter: 12.8"
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: 11h45m50s
Deklinacija: +02°33'37"

Mars

Excellent
Regimasis ryškis: 1.6
Žvaigždynas: Cancer
Angular diameter: 4.1"
Status: near eastern quadrature

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

Rektascensija: 07h19m57s
Deklinacija: +22°56'51"

Jupiter

Excellent
Regimasis ryškis: -1.8
Žvaigždynas: Libra
Angular diameter: 32.3"
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: 12h32m57s
Deklinacija: -02°17'34"

Saturn

Excellent
Regimasis ryškis: 0.9
Žvaigždynas: Libra
Angular diameter: 16.2"
Status: near western quadrature

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

Rektascensija: 12h28m43s
Deklinacija: -00°38'13"

Uranus

Fair
Regimasis ryškis: 5.6
Žvaigždynas: Scorpius
Angular diameter: 3.8"
Status: near western quadrature

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

Rektascensija: 15h35m19s
Deklinacija: -19°05'11"

Neptune

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

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

Rektascensija: 17h26m18s
Deklinacija: -21°52'40"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Aquarius
Angular diameter: 12095.6"
Status: Moon illumination 99.4%

Observation tip: Moon illumination 99.4%; good for observing lunar surface detail

Rektascensija: 21h05m26s
Deklinacija: -17°47'18"