December 1920 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

14 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 1920 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: -0.6
Žvaigždynas: Sagittarius
Angular diameter: 5.4"
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: 16h14m21s
Deklinacija: -20°08'08"

Venus

Excellent
Regimasis ryškis: -4.1
Žvaigždynas: Aquarius
Angular diameter: 15.2"
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: 20h23m19s
Deklinacija: -21°33'37"

Mars

Excellent
Regimasis ryškis: 1.0
Žvaigždynas: Aquarius
Angular diameter: 5.3"
Status: near western quadrature

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

Rektascensija: 21h05m12s
Deklinacija: -18°00'32"

Jupiter

Excellent
Regimasis ryškis: -2.1
Žvaigždynas: Virgo
Angular diameter: 37.7"
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: 11h18m43s
Deklinacija: +05°41'20"

Saturn

Excellent
Regimasis ryškis: 1.0
Žvaigždynas: Virgo
Angular diameter: 17.7"
Status: near eastern quadrature

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

Rektascensija: 11h42m46s
Deklinacija: +04°06'09"

Uranus

Fair
Regimasis ryškis: 5.9
Žvaigždynas: Pisces
Angular diameter: 3.5"
Status: near western quadrature

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

Rektascensija: 22h17m57s
Deklinacija: -11°23'08"

Neptune

Fair
Regimasis ryškis: 7.8
Žvaigždynas: Leo
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascensija: 09h04m03s
Deklinacija: +16°48'05"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Aquarius
Angular diameter: 11488.3"
Status: Moon illumination 17.9%

Observation tip: Moon illumination 17.9%; good for observing lunar surface detail

Rektascensija: 20h54m09s
Deklinacija: -12°10'04"