April 1921 Nebeske pojave

Lokacija opazovalca:Beijing (39.904°, 116.407°)

Pregled mesečnih nebesnih dogodkov

16 astronomskih dogodkov skupaj, vključno 4 lunine faze in 1 planetarni dogodki.

Dnevni nebesni dogodki

Vsi časi so v lokalnem času (Asia/Shanghai)

Group Datum Sončni vzhod/zahod Lunin vzhod/zahod Lunina faza Nebeske pojave

Planetary outlook

April 1921 mid-month observing conditions

Mercury

Excellent
Navidezna magnituda: -0.1
Ozvezdje: Aries
Angular diameter: 6.1"
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: 00h09m10s
Deklinacija: -01°49'32"

Venus

Excellent
Navidezna magnituda: -4.1
Ozvezdje: Taurus
Angular diameter: 56.7"
Status: near superior 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: 02h07m26s
Deklinacija: +20°16'47"

Mars

Excellent
Navidezna magnituda: 1.5
Ozvezdje: Taurus
Angular diameter: 3.9"
Status: near western quadrature

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

Rektascenzija: 02h50m06s
Deklinacija: +16°32'39"

Jupiter

Excellent
Navidezna magnituda: -2.3
Ozvezdje: Virgo
Angular diameter: 42.2"
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: 10h46m48s
Deklinacija: +09°16'20"

Saturn

Excellent
Navidezna magnituda: 0.7
Ozvezdje: Virgo
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: 11h23m24s
Deklinacija: +06°30'21"

Uranus

Fair
Navidezna magnituda: 6.0
Ozvezdje: Pisces
Angular diameter: 3.4"
Status: near eastern quadrature

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

Rektascenzija: 22h40m38s
Deklinacija: -09°10'22"

Neptune

Fair
Navidezna magnituda: 7.9
Ozvezdje: Leo
Angular diameter: 2.3"
Status: near western quadrature

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

Rektascenzija: 08h53m47s
Deklinacija: +17°32'23"

Moon

Excellent
Navidezna magnituda: -12.7
Ozvezdje: Cancer
Angular diameter: 12563.2"
Status: Moon illumination 45.2%

Observation tip: Moon illumination 45.2%; good for observing lunar surface detail

Rektascenzija: 07h18m42s
Deklinacija: +16°56'15"