December 1988 Nebeske pojave

Lokacija opazovalca:Beijing (39.904°, 116.407°)

Pregled mesečnih nebesnih dogodkov

25 astronomskih dogodkov skupaj, vključno 5 lunine faze in 4 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 1988 mid-month observing conditions

Mercury

Excellent
Navidezna magnituda: -0.9
Ozvezdje: Capricornus
Angular diameter: 4.8"
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: 18h03m31s
Deklinacija: -25°22'21"

Venus

Excellent
Navidezna magnituda: -3.9
Ozvezdje: Scorpius
Angular diameter: 11.5"
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: 15h38m29s
Deklinacija: -18°00'07"

Mars

Excellent
Navidezna magnituda: -0.5
Ozvezdje: Aries
Angular diameter: 11.3"
Status: near western quadrature

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

Rektascenzija: 00h44m19s
Deklinacija: +04°52'24"

Jupiter

Excellent
Navidezna magnituda: -2.8
Ozvezdje: Taurus
Angular diameter: 47.9"
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: 03h44m54s
Deklinacija: +18°49'48"

Saturn

Excellent
Navidezna magnituda: 0.5
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: 18h15m33s
Deklinacija: -22°39'25"

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: 18h03m11s
Deklinacija: -23°39'27"

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: 18h40m08s
Deklinacija: -22°12'47"

Moon

Excellent
Navidezna magnituda: -12.7
Ozvezdje: Pisces
Angular diameter: 12550.7"
Status: Moon illumination 36.2%

Observation tip: Moon illumination 36.2%; good for observing lunar surface detail

Rektascenzija: 22h35m21s
Deklinacija: -08°58'28"