September 1990 Nebeske pojave

Lokacija opazovalca:Beijing (39.904°, 116.407°)

Pregled mesečnih nebesnih dogodkov

24 astronomskih dogodkov skupaj, vključno 4 lunine faze in 2 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

September 1990 mid-month observing conditions

Mercury

Good
Navidezna magnituda: 2.0
Ozvezdje: Virgo
Angular diameter: 9.3"
Status: near greatest eastern elongation

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

Rektascenzija: 10h43m55s
Deklinacija: +06°15'59"

Venus

Excellent
Navidezna magnituda: -3.9
Ozvezdje: Virgo
Angular diameter: 10.0"
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: 10h46m11s
Deklinacija: +09°15'02"

Mars

Excellent
Navidezna magnituda: -0.7
Ozvezdje: Gemini
Angular diameter: 12.1"
Status: near eastern quadrature

Observation tip: Very bright, easily visible to the naked eye; Its reddish appearance is obvious; it is best observed near opposition

Rektascenzija: 04h19m58s
Deklinacija: +19°56'29"

Jupiter

Excellent
Navidezna magnituda: -1.9
Ozvezdje: Leo
Angular diameter: 33.5"
Status: near eastern 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: 08h31m58s
Deklinacija: +19°13'13"

Saturn

Excellent
Navidezna magnituda: 0.4
Ozvezdje: Capricornus
Angular diameter: 17.5"
Status: near western quadrature

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

Rektascenzija: 19h21m16s
Deklinacija: -22°08'36"

Uranus

Fair
Navidezna magnituda: 5.7
Ozvezdje: Capricornus
Angular diameter: 3.7"
Status: near western quadrature

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

Rektascenzija: 18h24m27s
Deklinacija: -23°38'52"

Neptune

Fair
Navidezna magnituda: 7.8
Ozvezdje: Capricornus
Angular diameter: 2.3"
Status: near western quadrature

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

Rektascenzija: 18h51m04s
Deklinacija: -22°04'33"

Moon

Excellent
Navidezna magnituda: -12.7
Ozvezdje: Leo
Angular diameter: 12346.7"
Status: Moon illumination 17.6%

Observation tip: Moon illumination 17.6%; good for observing lunar surface detail

Rektascenzija: 08h18m51s
Deklinacija: +20°00'17"