July 1990 Nebeske pojave

Lokacija opazovalca:Beijing (39.904°, 116.407°)

Pregled mesečnih nebesnih dogodkov

27 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

July 1990 mid-month observing conditions

Mercury

Excellent
Navidezna magnituda: -0.9
Ozvezdje: Leo
Angular diameter: 5.3"
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: 08h34m41s
Deklinacija: +20°33'30"

Venus

Excellent
Navidezna magnituda: -3.9
Ozvezdje: Gemini
Angular diameter: 11.7"
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: 05h33m14s
Deklinacija: +22°19'01"

Mars

Excellent
Navidezna magnituda: 0.1
Ozvezdje: Taurus
Angular diameter: 8.4"
Status: near eastern quadrature

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

Rektascenzija: 02h00m41s
Deklinacija: +10°05'43"

Jupiter

Excellent
Navidezna magnituda: -1.8
Ozvezdje: Cancer
Angular diameter: 31.6"
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: 07h37m05s
Deklinacija: +21°48'00"

Saturn

Excellent
Navidezna magnituda: -0.0
Ozvezdje: Capricornus
Angular diameter: 18.5"
Status: near western quadrature

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

Rektascenzija: 19h35m01s
Deklinacija: -21°34'14"

Uranus

Fair
Navidezna magnituda: 5.6
Ozvezdje: Capricornus
Angular diameter: 3.8"
Status: near western quadrature

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

Rektascenzija: 18h30m30s
Deklinacija: -23°35'07"

Neptune

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

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

Rektascenzija: 18h55m51s
Deklinacija: -21°56'40"

Moon

Excellent
Navidezna magnituda: -12.7
Ozvezdje: Aries
Angular diameter: 12446.3"
Status: Moon illumination 55.3%

Observation tip: Moon illumination 55.3%; good for observing lunar surface detail

Rektascenzija: 00h52m16s
Deklinacija: +10°55'56"