December 2018 Nebeske pojave

Lokacija opazovalca:Beijing (39.904°, 116.407°)

Pregled mesečnih nebesnih dogodkov

19 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 2018 mid-month observing conditions

Mercury

Excellent
Navidezna magnituda: -0.3
Ozvezdje: Sagittarius
Angular diameter: 6.7"
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: 16h00m44s
Deklinacija: -18°16'18"

Venus

Excellent
Navidezna magnituda: -4.8
Ozvezdje: Scorpius
Angular diameter: 32.9"
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: 14h27m23s
Deklinacija: -11°35'54"

Mars

Excellent
Navidezna magnituda: 0.2
Ozvezdje: Pisces
Angular diameter: 8.4"
Status: near western quadrature

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

Rektascenzija: 23h19m13s
Deklinacija: -05°10'43"

Jupiter

Excellent
Navidezna magnituda: -1.8
Ozvezdje: Sagittarius
Angular diameter: 31.3"
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: 16h25m48s
Deklinacija: -21°01'27"

Saturn

Excellent
Navidezna magnituda: 0.6
Ozvezdje: Capricornus
Angular diameter: 15.1"
Status: near western quadrature

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

Rektascenzija: 18h40m42s
Deklinacija: -22°35'58"

Uranus

Fair
Navidezna magnituda: 5.8
Ozvezdje: Aries
Angular diameter: 3.7"
Status: near western quadrature

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

Rektascenzija: 01h47m56s
Deklinacija: +10°32'48"

Neptune

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

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

Rektascenzija: 23h01m50s
Deklinacija: -07°16'08"

Moon

Excellent
Navidezna magnituda: -12.7
Ozvezdje: Pisces
Angular diameter: 11588.3"
Status: Moon illumination 45.4%

Observation tip: Moon illumination 45.4%; good for observing lunar surface detail

Rektascenzija: 23h20m22s
Deklinacija: -08°38'05"