December 1921 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 1921 mid-month observing conditions

Mercury

Excellent
Prividni sjaj: -0.9
Zviježđe: Sagittarius
Angular diameter: 4.7"
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

Rektascenzija: 16h56m33s
Deklinacija: -23°09'32"

Venus

Excellent
Prividni sjaj: -3.9
Zviježđe: Sagittarius
Angular diameter: 10.2"
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: 16h29m40s
Deklinacija: -21°10'25"

Mars

Excellent
Prividni sjaj: 1.5
Zviježđe: Libra
Angular diameter: 4.9"
Status: near eastern quadrature

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

Rektascenzija: 13h27m52s
Deklinacija: -07°47'23"

Jupiter

Excellent
Prividni sjaj: -1.9
Zviježđe: Libra
Angular diameter: 34.3"
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

Rektascenzija: 12h57m59s
Deklinacija: -04°51'26"

Saturn

Excellent
Prividni sjaj: 0.9
Zviježđe: Libra
Angular diameter: 17.1"
Status: near eastern quadrature

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

Rektascenzija: 12h27m54s
Deklinacija: -00°33'22"

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: 22h32m34s
Deklinacija: -09°59'21"

Neptune

Fair
Prividni sjaj: 7.8
Zviježđe: Leo
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascenzija: 09h13m06s
Deklinacija: +16°12'40"

Moon

Excellent
Prividni sjaj: -12.7
Zviježđe: Gemini
Angular diameter: 12555.3"
Status: Moon illumination 99.8%

Observation tip: Moon illumination 99.8%; good for observing lunar surface detail

Rektascenzija: 05h21m48s
Deklinacija: +18°34'02"