December 2020 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 2020 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: -1.1
Žvaigždynas: Sagittarius
Angular diameter: 4.7"
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: 17h18m46s
Deklinacija: -24°05'38"

Venus

Excellent
Regimasis ryškis: -3.9
Žvaigždynas: Scorpius
Angular diameter: 11.2"
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: 15h48m55s
Deklinacija: -18°42'17"

Mars

Excellent
Regimasis ryškis: -0.7
Žvaigždynas: Aries
Angular diameter: 12.5"
Status: near western quadrature

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

Rektascensija: 01h16m16s
Deklinacija: +08°33'00"

Jupiter

Excellent
Regimasis ryškis: -2.0
Žvaigždynas: Aquarius
Angular diameter: 33.6"
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: 20h05m02s
Deklinacija: -20°49'03"

Saturn

Excellent
Regimasis ryškis: 0.7
Žvaigždynas: Aquarius
Angular diameter: 15.4"
Status: near western quadrature

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

Rektascensija: 20h08m05s
Deklinacija: -20°33'40"

Uranus

Fair
Regimasis ryškis: 5.7
Žvaigždynas: Taurus
Angular diameter: 3.7"
Status: near western quadrature

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

Rektascensija: 02h19m40s
Deklinacija: +13°27'05"

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: 23h18m26s
Deklinacija: -05°39'12"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Sagittarius
Angular diameter: 12731.9"
Status: Moon illumination 0.1%

Observation tip: Moon illumination 0.1%; good for observing lunar surface detail

Rektascensija: 17h50m30s
Deklinacija: -24°08'50"