April 1990 Nebeske pojave

Lokacija promatrača:Beijing (39.904°, 116.407°)

Pregled mjesečnih nebeskih događaja

24 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

April 1990 mid-month observing conditions

Mercury

Excellent
Prividni sjaj: 0.3
Zviježđe: Taurus
Angular diameter: 8.0"
Status: near superior conjunction

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascenzija: 02h42m56s
Deklinacija: +18°47'03"

Venus

Excellent
Prividni sjaj: -4.3
Zviježđe: Pisces
Angular diameter: 20.7"
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: 22h42m30s
Deklinacija: -08°13'33"

Mars

Excellent
Prividni sjaj: 0.9
Zviježđe: Aquarius
Angular diameter: 5.7"
Status: near eastern quadrature

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

Rektascenzija: 21h53m14s
Deklinacija: -14°17'08"

Jupiter

Excellent
Prividni sjaj: -2.1
Zviježđe: Cancer
Angular diameter: 36.2"
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: 06h19m31s
Deklinacija: +23°27'53"

Saturn

Excellent
Prividni sjaj: 0.5
Zviježđe: Capricornus
Angular diameter: 16.7"
Status: near eastern quadrature

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

Rektascenzija: 19h47m40s
Deklinacija: -20°56'49"

Uranus

Fair
Prividni sjaj: 5.7
Zviježđe: Capricornus
Angular diameter: 3.7"
Status: near eastern quadrature

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

Rektascenzija: 18h41m49s
Deklinacija: -23°23'52"

Neptune

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

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

Rektascenzija: 19h02m53s
Deklinacija: -21°47'11"

Moon

Excellent
Prividni sjaj: -12.7
Zviježđe: Sagittarius
Angular diameter: 11518.3"
Status: Moon illumination 80.0%

Observation tip: Moon illumination 80.0%; good for observing lunar surface detail

Rektascenzija: 17h05m46s
Deklinacija: -27°01'40"