April 1981 Nebeske pojave

Lokacija promatrača:Beijing (39.904°, 116.407°)

Pregled mjesečnih nebeskih događaja

22 astronomskih događaja ukupno, uključujući 4 faze Mjeseca i 3 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 1981 mid-month observing conditions

Mercury

Excellent
Prividni sjaj: -0.8
Zviježđe: Aries
Angular diameter: 5.2"
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: 00h46m22s
Deklinacija: +02°47'47"

Venus

Excellent
Prividni sjaj: -3.9
Zviježđe: Aries
Angular diameter: 9.7"
Status: near greatest western 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: 01h41m21s
Deklinacija: +09°23'52"

Mars

Excellent
Prividni sjaj: 1.1
Zviježđe: Aries
Angular diameter: 3.9"
Status: near eastern quadrature

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

Rektascenzija: 01h22m59s
Deklinacija: +08°09'49"

Jupiter

Excellent
Prividni sjaj: -2.4
Zviježđe: Libra
Angular diameter: 43.7"
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: 12h13m41s
Deklinacija: +00°14'08"

Saturn

Excellent
Prividni sjaj: 0.5
Zviježđe: Libra
Angular diameter: 19.3"
Status: near western quadrature

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

Rektascenzija: 12h22m35s
Deklinacija: +00°26'20"

Uranus

Fair
Prividni sjaj: 5.5
Zviježđe: Scorpius
Angular diameter: 3.9"
Status: near eastern quadrature

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

Rektascenzija: 15h49m03s
Deklinacija: -19°48'17"

Neptune

Fair
Prividni sjaj: 7.9
Zviježđe: Sagittarius
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascenzija: 17h37m24s
Deklinacija: -21°59'18"

Moon

Excellent
Prividni sjaj: -12.7
Zviježđe: Virgo
Angular diameter: 11748.7"
Status: Moon illumination 83.4%

Observation tip: Moon illumination 83.4%; good for observing lunar surface detail

Rektascenzija: 10h37m40s
Deklinacija: +11°17'44"