December 1989 Nebeske pojave

Lokacija opazovalca:Beijing (39.904°, 116.407°)

Pregled mesečnih nebesnih dogodkov

30 astronomskih dogodkov skupaj, vključno 4 lunine faze in 3 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 1989 mid-month observing conditions

Mercury

Excellent
Navidezna magnituda: -0.6
Ozvezdje: Capricornus
Angular diameter: 5.7"
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: 18h48m10s
Deklinacija: -25°14'32"

Venus

Excellent
Navidezna magnituda: -4.9
Ozvezdje: Aquarius
Angular diameter: 41.4"
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: 20h21m11s
Deklinacija: -21°03'06"

Mars

Excellent
Navidezna magnituda: 1.6
Ozvezdje: Scorpius
Angular diameter: 3.9"
Status: near eastern quadrature

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

Rektascenzija: 15h42m10s
Deklinacija: -19°31'07"

Jupiter

Excellent
Navidezna magnituda: -2.7
Ozvezdje: Cancer
Angular diameter: 47.1"
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: 06h32m35s
Deklinacija: +23°04'22"

Saturn

Excellent
Navidezna magnituda: 0.6
Ozvezdje: Capricornus
Angular diameter: 15.2"
Status: near western quadrature

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

Rektascenzija: 18h59m02s
Deklinacija: -22°25'52"

Uranus

Fair
Navidezna magnituda: 5.8
Ozvezdje: Capricornus
Angular diameter: 3.5"
Status: near western quadrature

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

Rektascenzija: 18h20m40s
Deklinacija: -23°37'31"

Neptune

Fair
Navidezna magnituda: 7.9
Ozvezdje: Capricornus
Angular diameter: 2.2"
Status: near western quadrature

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

Rektascenzija: 18h49m12s
Deklinacija: -22°06'21"

Moon

Excellent
Navidezna magnituda: -12.7
Ozvezdje: Cancer
Angular diameter: 12445.7"
Status: Moon illumination 92.9%

Observation tip: Moon illumination 92.9%; good for observing lunar surface detail

Rektascenzija: 07h44m30s
Deklinacija: +23°22'47"