May 1931 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

24 astronominių įvykių iš viso, įskaitant 5 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

May 1931 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: 1.7
Žvaigždynas: Taurus
Angular diameter: 10.6"
Status: near greatest eastern elongation

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

Rektascensija: 02h09m31s
Deklinacija: +10°06'25"

Venus

Excellent
Regimasis ryškis: -3.9
Žvaigždynas: Aries
Angular diameter: 12.1"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Venus is the brightest planet and is best seen at dusk or dawn

Rektascensija: 01h26m26s
Deklinacija: +07°10'42"

Mars

Excellent
Regimasis ryškis: 0.9
Žvaigždynas: Leo
Angular diameter: 6.5"
Status: near western quadrature

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

Rektascensija: 09h18m42s
Deklinacija: +17°31'11"

Jupiter

Excellent
Regimasis ryškis: -1.9
Žvaigždynas: Cancer
Angular diameter: 34.1"
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: 07h14m15s
Deklinacija: +22°41'21"

Saturn

Excellent
Regimasis ryškis: 0.4
Žvaigždynas: Capricornus
Angular diameter: 17.5"
Status: near eastern quadrature

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

Rektascensija: 19h39m53s
Deklinacija: -21°14'15"

Uranus

Fair
Regimasis ryškis: 6.0
Žvaigždynas: Aries
Angular diameter: 3.4"
Status: near eastern quadrature

Observation tip: A telescope is required; Binoculars or a telescope are recommended

Rektascensija: 01h05m17s
Deklinacija: +06°16'13"

Neptune

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

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

Rektascensija: 10h20m49s
Deklinacija: +11°05'08"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Aries
Angular diameter: 11619.9"
Status: Moon illumination 6.9%

Observation tip: Moon illumination 6.9%; good for observing lunar surface detail

Rektascensija: 01h23m42s
Deklinacija: +09°40'56"