May 1921 Nebeske pojave

Lokacija opazovalca:Beijing (39.904°, 116.407°)

Pregled mesečnih nebesnih dogodkov

18 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

May 1921 mid-month observing conditions

Mercury

Excellent
Navidezna magnituda: -1.9
Ozvezdje: Taurus
Angular diameter: 5.2"
Status: near greatest western elongation

Observation tip: Very bright, easily visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascenzija: 03h46m41s
Deklinacija: +20°46'22"

Venus

Excellent
Navidezna magnituda: -4.7
Ozvezdje: Aries
Angular diameter: 47.2"
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: 01h26m55s
Deklinacija: +10°12'53"

Mars

Excellent
Navidezna magnituda: 1.5
Ozvezdje: Gemini
Angular diameter: 3.7"
Status: near western quadrature

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

Rektascenzija: 04h17m03s
Deklinacija: +21°50'12"

Jupiter

Excellent
Navidezna magnituda: -2.1
Ozvezdje: Virgo
Angular diameter: 38.9"
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: 10h44m35s
Deklinacija: +09°23'49"

Saturn

Excellent
Navidezna magnituda: 0.9
Ozvezdje: Virgo
Angular diameter: 18.5"
Status: near western quadrature

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

Rektascenzija: 11h19m27s
Deklinacija: +06°50'36"

Uranus

Fair
Navidezna magnituda: 5.9
Ozvezdje: Pisces
Angular diameter: 3.5"
Status: near eastern quadrature

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

Rektascenzija: 22h44m32s
Deklinacija: -08°47'58"

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: 08h54m19s
Deklinacija: +17°30'29"

Moon

Excellent
Navidezna magnituda: -12.7
Ozvezdje: Leo
Angular diameter: 12531.0"
Status: Moon illumination 54.2%

Observation tip: Moon illumination 54.2%; good for observing lunar surface detail

Rektascenzija: 09h55m42s
Deklinacija: +07°51'44"