December 1939 Nebeske pojave

Lokacija opazovalca:Beijing (39.904°, 116.407°)

Pregled mesečnih nebesnih dogodkov

21 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

December 1939 mid-month observing conditions

Mercury

Excellent
Navidezna magnituda: -0.3
Ozvezdje: Scorpius
Angular diameter: 6.9"
Status: near greatest eastern elongation

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

Rektascenzija: 15h57m23s
Deklinacija: -17°58'58"

Venus

Excellent
Navidezna magnituda: -3.9
Ozvezdje: Capricornus
Angular diameter: 11.2"
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: 19h15m21s
Deklinacija: -23°50'44"

Mars

Excellent
Navidezna magnituda: 0.2
Ozvezdje: Pisces
Angular diameter: 8.2"
Status: near western quadrature

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

Rektascenzija: 23h11m35s
Deklinacija: -06°02'01"

Jupiter

Excellent
Navidezna magnituda: -2.5
Ozvezdje: Aries
Angular diameter: 41.7"
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: 00h00m34s
Deklinacija: -01°25'53"

Saturn

Excellent
Navidezna magnituda: 0.3
Ozvezdje: Aries
Angular diameter: 19.1"
Status: near western quadrature

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

Rektascenzija: 01h34m55s
Deklinacija: +07°04'26"

Uranus

Fair
Navidezna magnituda: 5.7
Ozvezdje: Taurus
Angular diameter: 3.8"
Status: near western quadrature

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

Rektascenzija: 03h05m27s
Deklinacija: +17°05'26"

Neptune

Fair
Navidezna magnituda: 7.9
Ozvezdje: Virgo
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascenzija: 11h45m15s
Deklinacija: +02°54'06"

Moon

Excellent
Navidezna magnituda: -12.7
Ozvezdje: Aquarius
Angular diameter: 11620.7"
Status: Moon illumination 16.6%

Observation tip: Moon illumination 16.6%; good for observing lunar surface detail

Rektascenzija: 20h43m44s
Deklinacija: -12°58'37"