December 1931 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

28 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

December 1931 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: 1.2
Žvaigždynas: Capricornus
Angular diameter: 9.1"
Status: near superior conjunction

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

Rektascensija: 18h23m58s
Deklinacija: -23°16'46"

Venus

Excellent
Regimasis ryškis: -3.9
Žvaigždynas: Capricornus
Angular diameter: 11.1"
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: 19h12m33s
Deklinacija: -23°54'17"

Mars

Excellent
Regimasis ryškis: 1.2
Žvaigždynas: Capricornus
Angular diameter: 3.9"
Status: near western quadrature

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

Rektascensija: 18h16m13s
Deklinacija: -24°16'56"

Jupiter

Excellent
Regimasis ryškis: -2.3
Žvaigždynas: Leo
Angular diameter: 41.4"
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: 09h40m52s
Deklinacija: +14°45'10"

Saturn

Excellent
Regimasis ryškis: 0.6
Žvaigždynas: Capricornus
Angular diameter: 15.3"
Status: near western quadrature

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

Rektascensija: 19h34m25s
Deklinacija: -21°44'25"

Uranus

Fair
Regimasis ryškis: 5.8
Žvaigždynas: Aries
Angular diameter: 3.6"
Status: near western quadrature

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

Rektascensija: 00h58m03s
Deklinacija: +05°29'57"

Neptune

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

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

Rektascensija: 10h39m44s
Deklinacija: +09°17'07"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Pisces
Angular diameter: 11723.8"
Status: Moon illumination 31.8%

Observation tip: Moon illumination 31.8%; good for observing lunar surface detail

Rektascensija: 22h14m26s
Deklinacija: -13°41'53"