December 1930 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

22 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

December 1930 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: -0.6
Žvaigždynas: Capricornus
Angular diameter: 6.0"
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: 18h50m52s
Deklinacija: -25°06'29"

Venus

Excellent
Regimasis ryškis: -4.8
Žvaigždynas: Scorpius
Angular diameter: 50.7"
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: 15h21m21s
Deklinacija: -15°53'57"

Mars

Excellent
Regimasis ryškis: -0.4
Žvaigždynas: Leo
Angular diameter: 11.3"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Rektascensija: 09h20m37s
Deklinacija: +18°44'33"

Jupiter

Excellent
Regimasis ryškis: -2.7
Žvaigždynas: Cancer
Angular diameter: 46.0"
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: 07h19m34s
Deklinacija: +22°17'48"

Saturn

Excellent
Regimasis ryškis: 0.6
Žvaigždynas: Capricornus
Angular diameter: 15.2"
Status: near western quadrature

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

Rektascensija: 18h50m51s
Deklinacija: -22°33'31"

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: 00h43m12s
Deklinacija: +03°54'39"

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: 10h31m19s
Deklinacija: +10°02'54"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Libra
Angular diameter: 12396.8"
Status: Moon illumination 26.7%

Observation tip: Moon illumination 26.7%; good for observing lunar surface detail

Rektascensija: 13h14m37s
Deklinacija: -07°43'36"