April 2017 Nebeske pojave

Lokacija promatrača:Beijing (39.904°, 116.407°)

Pregled mjesečnih nebeskih događaja

22 astronomskih događaja ukupno, uključujući 4 faze Mjeseca i 4 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 2017 mid-month observing conditions

Mercury

Good
Prividni sjaj: 3.8
Zviježđe: Taurus
Angular diameter: 10.9"
Status: near superior conjunction

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascenzija: 02h01m33s
Deklinacija: +15°15'59"

Venus

Excellent
Prividni sjaj: -4.7
Zviježđe: Pisces
Angular diameter: 49.0"
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

Rektascenzija: 23h41m29s
Deklinacija: +02°55'06"

Mars

Excellent
Prividni sjaj: 1.5
Zviježđe: Taurus
Angular diameter: 4.1"
Status: near western quadrature

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

Rektascenzija: 03h32m14s
Deklinacija: +19°38'44"

Jupiter

Excellent
Prividni sjaj: -2.5
Zviježđe: Libra
Angular diameter: 44.2"
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: 13h06m23s
Deklinacija: -05°21'05"

Saturn

Excellent
Prividni sjaj: 0.3
Zviježđe: Sagittarius
Angular diameter: 17.4"
Status: near eastern quadrature

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

Rektascenzija: 17h50m12s
Deklinacija: -22°03'44"

Uranus

Fair
Prividni sjaj: 6.0
Zviježđe: Aries
Angular diameter: 3.4"
Status: near eastern quadrature

Observation tip: A telescope is required; Binoculars or a telescope are recommended

Rektascenzija: 01h31m36s
Deklinacija: +08°58'25"

Neptune

Fair
Prividni sjaj: 7.8
Zviježđe: Pisces
Angular diameter: 2.2"
Status: near eastern quadrature

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

Rektascenzija: 22h59m36s
Deklinacija: -07°22'33"

Moon

Excellent
Prividni sjaj: -12.7
Zviježđe: Sagittarius
Angular diameter: 11477.4"
Status: Moon illumination 87.4%

Observation tip: Moon illumination 87.4%; good for observing lunar surface detail

Rektascenzija: 16h23m05s
Deklinacija: -16°25'25"