December 2019 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

20 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 2019 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: -0.6
Žvaigždynas: Sagittarius
Angular diameter: 5.1"
Status: near inferior conjunction

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascensija: 16h26m21s
Deklinacija: -21°05'33"

Venus

Excellent
Regimasis ryškis: -3.9
Žvaigždynas: Capricornus
Angular diameter: 12.2"
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: 19h42m41s
Deklinacija: -23°08'45"

Mars

Excellent
Regimasis ryškis: 1.7
Žvaigždynas: Scorpius
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: 14h58m45s
Deklinacija: -16°24'50"

Jupiter

Excellent
Regimasis ryškis: -1.8
Žvaigždynas: Capricornus
Angular diameter: 31.8"
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: 18h12m01s
Deklinacija: -23°17'30"

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: 19h24m11s
Deklinacija: -21°57'10"

Uranus

Fair
Regimasis ryškis: 5.8
Žvaigždynas: Taurus
Angular diameter: 3.7"
Status: near western quadrature

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

Rektascensija: 02h03m42s
Deklinacija: +12°01'29"

Neptune

Fair
Regimasis ryškis: 7.8
Žvaigždynas: Pisces
Angular diameter: 2.3"
Status: near western quadrature

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

Rektascensija: 23h10m07s
Deklinacija: -06°28'07"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Leo
Angular diameter: 12434.0"
Status: Moon illumination 91.0%

Observation tip: Moon illumination 91.0%; good for observing lunar surface detail

Rektascensija: 08h00m42s
Deklinacija: +22°19'36"