May 1981 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

21 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

May 1981 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: -0.7
Žvaigždynas: Gemini
Angular diameter: 6.2"
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: 04h41m49s
Deklinacija: +24°26'20"

Venus

Excellent
Regimasis ryškis: -3.9
Žvaigždynas: Gemini
Angular diameter: 9.8"
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: 04h07m36s
Deklinacija: +20°57'46"

Mars

Excellent
Regimasis ryškis: 1.3
Žvaigždynas: Taurus
Angular diameter: 3.8"
Status: near eastern quadrature

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

Rektascensija: 02h48m54s
Deklinacija: +16°01'09"

Jupiter

Excellent
Regimasis ryškis: -2.3
Žvaigždynas: Libra
Angular diameter: 41.2"
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: 12h04m53s
Deklinacija: +01°05'22"

Saturn

Excellent
Regimasis ryškis: 0.7
Žvaigždynas: Libra
Angular diameter: 18.7"
Status: near western quadrature

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

Rektascensija: 12h16m27s
Deklinacija: +01°01'34"

Uranus

Fair
Regimasis ryškis: 5.5
Žvaigždynas: Scorpius
Angular diameter: 4.0"
Status: near eastern quadrature

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

Rektascensija: 15h44m20s
Deklinacija: -19°33'32"

Neptune

Fair
Regimasis ryškis: 7.8
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: 17h35m15s
Deklinacija: -21°57'18"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Libra
Angular diameter: 11531.3"
Status: Moon illumination 86.1%

Observation tip: Moon illumination 86.1%; good for observing lunar surface detail

Rektascensija: 12h45m07s
Deklinacija: +00°08'04"