January 1990 Nebeske pojave

Lokacija opazovalca:Beijing (39.904°, 116.407°)

Pregled mesečnih nebesnih dogodkov

24 astronomskih dogodkov skupaj, vključno 4 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

January 1990 mid-month observing conditions

Mercury

Excellent
Navidezna magnituda: 1.7
Ozvezdje: Capricornus
Angular diameter: 9.6"
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: 18h49m43s
Deklinacija: -19°33'09"

Venus

Excellent
Navidezna magnituda: -4.3
Ozvezdje: Aquarius
Angular diameter: 62.1"
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: 20h08m02s
Deklinacija: -14°46'19"

Mars

Excellent
Navidezna magnituda: 1.5
Ozvezdje: Sagittarius
Angular diameter: 4.2"
Status: near eastern quadrature

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

Rektascenzija: 17h14m29s
Deklinacija: -23°13'00"

Jupiter

Excellent
Navidezna magnituda: -2.7
Ozvezdje: Cancer
Angular diameter: 46.6"
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: 06h14m55s
Deklinacija: +23°18'50"

Saturn

Excellent
Navidezna magnituda: 0.5
Ozvezdje: Capricornus
Angular diameter: 15.1"
Status: near eastern quadrature

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

Rektascenzija: 19h14m39s
Deklinacija: -22°03'13"

Uranus

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

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

Rektascenzija: 18h28m44s
Deklinacija: -23°33'03"

Neptune

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

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

Rektascenzija: 18h54m11s
Deklinacija: -22°00'29"

Moon

Excellent
Navidezna magnituda: -12.7
Ozvezdje: Virgo
Angular diameter: 11885.8"
Status: Moon illumination 84.4%

Observation tip: Moon illumination 84.4%; good for observing lunar surface detail

Rektascenzija: 10h47m20s
Deklinacija: +05°19'40"