December 1986 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

26 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 1986 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: -0.6
Žvaigždynas: Sagittarius
Angular diameter: 5.2"
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: 16h22m08s
Deklinacija: -20°46'40"

Venus

Excellent
Regimasis ryškis: -4.9
Žvaigždynas: Scorpius
Angular diameter: 38.2"
Status: near greatest eastern 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: 14h38m26s
Deklinacija: -12°31'27"

Mars

Excellent
Regimasis ryškis: 0.3
Žvaigždynas: Pisces
Angular diameter: 7.7"
Status: near western quadrature

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

Rektascensija: 22h58m24s
Deklinacija: -07°30'43"

Jupiter

Excellent
Regimasis ryškis: -2.3
Žvaigždynas: Pisces
Angular diameter: 39.5"
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: 23h07m21s
Deklinacija: -07°00'16"

Saturn

Excellent
Regimasis ryškis: 0.5
Žvaigždynas: Sagittarius
Angular diameter: 15.1"
Status: near eastern quadrature

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

Rektascensija: 16h48m53s
Deklinacija: -20°56'16"

Uranus

Fair
Regimasis ryškis: 5.8
Žvaigždynas: Sagittarius
Angular diameter: 3.5"
Status: near eastern quadrature

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

Rektascensija: 17h27m37s
Deklinacija: -23°20'42"

Neptune

Fair
Regimasis ryškis: 7.9
Žvaigždynas: Capricornus
Angular diameter: 2.2"
Status: near western quadrature

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

Rektascensija: 18h21m49s
Deklinacija: -22°20'01"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Gemini
Angular diameter: 11488.7"
Status: Moon illumination 98.4%

Observation tip: Moon illumination 98.4%; good for observing lunar surface detail

Rektascensija: 04h24m53s
Deklinacija: +25°32'41"