December 2012 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

19 astronominių įvykių iš viso, įskaitant 4 Mėnulio fazes ir 2 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 2012 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: -0.5
Žvaigždynas: Sagittarius
Angular diameter: 5.5"
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: 16h14m38s
Deklinacija: -19°58'46"

Venus

Excellent
Regimasis ryškis: -3.9
Žvaigždynas: Scorpius
Angular diameter: 11.3"
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: 15h46m19s
Deklinacija: -18°31'53"

Mars

Excellent
Regimasis ryškis: 1.2
Žvaigždynas: Capricornus
Angular diameter: 4.3"
Status: near western quadrature

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

Rektascensija: 19h33m15s
Deklinacija: -22°53'14"

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: 04h32m39s
Deklinacija: +21°08'53"

Saturn

Excellent
Regimasis ryškis: 0.7
Žvaigždynas: Scorpius
Angular diameter: 15.9"
Status: near eastern quadrature

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

Rektascensija: 14h25m47s
Deklinacija: -12°01'21"

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: 00h18m04s
Deklinacija: +01°10'31"

Neptune

Fair
Regimasis ryškis: 7.8
Žvaigždynas: Pisces
Angular diameter: 2.2"
Status: near western quadrature

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

Rektascensija: 22h11m50s
Deklinacija: -11°48'08"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Capricornus
Angular diameter: 12884.1"
Status: Moon illumination 4.1%

Observation tip: Moon illumination 4.1%; good for observing lunar surface detail

Rektascensija: 19h09m33s
Deklinacija: -18°23'31"