December 2009 Nebeske pojave

Lokacija promatrača:Beijing (39.904°, 116.407°)

Pregled mjesečnih nebeskih događaja

20 astronomskih događaja ukupno, uključujući 4 faze Mjeseca i 1 planetarne događaje.

Dnevni nebeskih događaji

Sva vremena su u lokalnom vremenu (Asia/Shanghai)

Group Datum Izlazak/Zalazak Sunca Izlazak/Zalazak Mjeseca Faza Mjeseca Nebeske pojave

Planetary outlook

December 2009 mid-month observing conditions

Mercury

Excellent
Prividni sjaj: -0.6
Zviježđe: Capricornus
Angular diameter: 6.2"
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

Rektascenzija: 18h56m48s
Deklinacija: -24°54'37"

Venus

Excellent
Prividni sjaj: -3.9
Zviježđe: Sagittarius
Angular diameter: 9.9"
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

Rektascenzija: 17h01m15s
Deklinacija: -22°30'47"

Mars

Excellent
Prividni sjaj: -0.4
Zviježđe: Leo
Angular diameter: 11.1"
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

Rektascenzija: 09h31m39s
Deklinacija: +17°51'25"

Jupiter

Excellent
Prividni sjaj: -2.2
Zviježđe: Aquarius
Angular diameter: 36.3"
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

Rektascenzija: 21h43m13s
Deklinacija: -14°42'07"

Saturn

Excellent
Prividni sjaj: 0.9
Zviježđe: Libra
Angular diameter: 17.3"
Status: near eastern quadrature

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

Rektascenzija: 12h17m41s
Deklinacija: +00°29'28"

Uranus

Fair
Prividni sjaj: 5.9
Zviježđe: Pisces
Angular diameter: 3.5"
Status: near western quadrature

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

Rektascenzija: 23h34m40s
Deklinacija: -03°33'43"

Neptune

Fair
Prividni sjaj: 7.8
Zviježđe: Aquarius
Angular diameter: 2.2"
Status: near western quadrature

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

Rektascenzija: 21h46m22s
Deklinacija: -13°52'05"

Moon

Excellent
Prividni sjaj: -12.7
Zviježđe: Sagittarius
Angular diameter: 11782.9"
Status: Moon illumination 2.3%

Observation tip: Moon illumination 2.3%; good for observing lunar surface detail

Rektascenzija: 16h13m55s
Deklinacija: -24°58'19"