December 2015 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

21 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 2015 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: -0.7
Žvaigždynas: Capricornus
Angular diameter: 5.3"
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: 18h33m10s
Deklinacija: -25°29'24"

Venus

Excellent
Regimasis ryškis: -4.1
Žvaigždynas: Scorpius
Angular diameter: 15.8"
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: 14h39m35s
Deklinacija: -13°08'24"

Mars

Excellent
Regimasis ryškis: 1.4
Žvaigždynas: Libra
Angular diameter: 5.1"
Status: near eastern quadrature

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

Rektascensija: 13h12m08s
Deklinacija: -06°02'26"

Jupiter

Excellent
Regimasis ryškis: -2.0
Žvaigždynas: Virgo
Angular diameter: 37.1"
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: 11h33m37s
Deklinacija: +04°06'53"

Saturn

Excellent
Regimasis ryškis: 0.5
Žvaigždynas: Sagittarius
Angular diameter: 15.2"
Status: near eastern quadrature

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

Rektascensija: 16h31m10s
Deklinacija: -20°13'04"

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: 01h02m13s
Deklinacija: +05°55'57"

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: 22h36m54s
Deklinacija: -09°36'02"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Aquarius
Angular diameter: 12272.7"
Status: Moon illumination 13.9%

Observation tip: Moon illumination 13.9%; good for observing lunar surface detail

Rektascensija: 20h30m23s
Deklinacija: -14°58'02"