December 2007 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

27 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 2007 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: -1.3
Žvaigždynas: Sagittarius
Angular diameter: 4.6"
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: 17h21m06s
Deklinacija: -24°15'35"

Venus

Excellent
Regimasis ryškis: -4.1
Žvaigždynas: Scorpius
Angular diameter: 16.1"
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: 14h37m41s
Deklinacija: -12°58'04"

Mars

Excellent
Regimasis ryškis: -1.6
Žvaigždynas: Cancer
Angular diameter: 15.8"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Rektascensija: 06h28m41s
Deklinacija: +26°18'24"

Jupiter

Excellent
Regimasis ryškis: -1.8
Žvaigždynas: Sagittarius
Angular diameter: 31.6"
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: 17h56m10s
Deklinacija: -23°14'31"

Saturn

Excellent
Regimasis ryškis: 0.6
Žvaigždynas: Virgo
Angular diameter: 18.5"
Status: near eastern quadrature

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

Rektascensija: 10h43m09s
Deklinacija: +09°51'36"

Uranus

Fair
Regimasis ryškis: 5.9
Žvaigždynas: Pisces
Angular diameter: 3.5"
Status: near western quadrature

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

Rektascensija: 23h05m46s
Deklinacija: -06°38'02"

Neptune

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

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

Rektascensija: 21h29m11s
Deklinacija: -15°09'12"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Aquarius
Angular diameter: 12036.6"
Status: Moon illumination 25.2%

Observation tip: Moon illumination 25.2%; good for observing lunar surface detail

Rektascensija: 21h41m30s
Deklinacija: -14°30'38"