December 2014 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

19 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 2014 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: -1.0
Žvaigždynas: Sagittarius
Angular diameter: 4.7"
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: 17h44m55s
Deklinacija: -25°00'28"

Venus

Excellent
Regimasis ryškis: -3.9
Žvaigždynas: Capricornus
Angular diameter: 10.1"
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: 18h23m41s
Deklinacija: -24°11'33"

Mars

Excellent
Regimasis ryškis: 1.1
Žvaigždynas: Aquarius
Angular diameter: 5.0"
Status: near western quadrature

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

Rektascensija: 20h42m06s
Deklinacija: -19°33'46"

Jupiter

Excellent
Regimasis ryškis: -2.3
Žvaigždynas: Leo
Angular diameter: 41.5"
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: 09h40m43s
Deklinacija: +14°44'06"

Saturn

Excellent
Regimasis ryškis: 0.6
Žvaigždynas: Scorpius
Angular diameter: 15.3"
Status: near eastern quadrature

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

Rektascensija: 15h49m03s
Deklinacija: -18°04'20"

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: 00h47m22s
Deklinacija: +04°21'14"

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: 22h28m34s
Deklinacija: -10°20'57"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Virgo
Angular diameter: 11577.7"
Status: Moon illumination 45.7%

Observation tip: Moon illumination 45.7%; good for observing lunar surface detail

Rektascensija: 11h49m55s
Deklinacija: -00°42'18"