December 1929 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

29 astronominių įvykių iš viso, įskaitant 5 Mėnulio fazes ir 3 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 1929 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: -0.8
Žvaigždynas: Capricornus
Angular diameter: 4.9"
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: 18h09m39s
Deklinacija: -25°29'37"

Venus

Excellent
Regimasis ryškis: -3.9
Žvaigždynas: Sagittarius
Angular diameter: 10.1"
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: 16h32m28s
Deklinacija: -21°18'48"

Mars

Excellent
Regimasis ryškis: 1.3
Žvaigždynas: Sagittarius
Angular diameter: 3.8"
Status: near eastern quadrature

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

Rektascensija: 17h13m00s
Deklinacija: -23°32'07"

Jupiter

Excellent
Regimasis ryškis: -2.8
Žvaigždynas: Gemini
Angular diameter: 48.1"
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: 04h33m14s
Deklinacija: +21°11'56"

Saturn

Excellent
Regimasis ryškis: 0.5
Žvaigždynas: Capricornus
Angular diameter: 15.1"
Status: near western quadrature

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

Rektascensija: 18h07m23s
Deklinacija: -22°38'42"

Uranus

Fair
Regimasis ryškis: 5.9
Žvaigždynas: Aries
Angular diameter: 3.6"
Status: near western quadrature

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

Rektascensija: 00h28m29s
Deklinacija: +02°18'56"

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: 10h22m52s
Deklinacija: +10°47'56"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Taurus
Angular diameter: 12776.5"
Status: Moon illumination 96.8%

Observation tip: Moon illumination 96.8%; good for observing lunar surface detail

Rektascensija: 03h57m49s
Deklinacija: +22°19'18"