July 1990 Astronomické javy

Poloha pozorovateľa:Beijing (39.904°, 116.407°)

Prehľad mesačných nebeských úkazov

27 celkovo nebeských úkazov vrátane 4 fázy Mesiaca a 4 planetárne javy.

Denné nebeské úkazy

Všetky časy sú v miestnom čase (Asia/Shanghai)

Group Dátum Východ/západ Slnka Východ/západ Mesiaca Fáza Mesiaca Astronomické javy

Planetary outlook

July 1990 mid-month observing conditions

Mercury

Excellent
Zdanlivá magnitúda: -0.9
Súhvezdie: 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

Rektascenzia: 08h34m41s
Deklinácia: +20°33'30"

Venus

Excellent
Zdanlivá magnitúda: -3.9
Súhvezdie: 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

Rektascenzia: 05h33m14s
Deklinácia: +22°19'01"

Mars

Excellent
Zdanlivá magnitúda: 0.1
Súhvezdie: 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

Rektascenzia: 02h00m41s
Deklinácia: +10°05'43"

Jupiter

Excellent
Zdanlivá magnitúda: -1.8
Súhvezdie: 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

Rektascenzia: 07h37m05s
Deklinácia: +21°48'00"

Saturn

Excellent
Zdanlivá magnitúda: -0.0
Súhvezdie: 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

Rektascenzia: 19h35m01s
Deklinácia: -21°34'14"

Uranus

Fair
Zdanlivá magnitúda: 5.6
Súhvezdie: Capricornus
Angular diameter: 3.8"
Status: near western quadrature

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

Rektascenzia: 18h30m30s
Deklinácia: -23°35'07"

Neptune

Fair
Zdanlivá magnitúda: 7.8
Súhvezdie: Capricornus
Angular diameter: 2.3"
Status: near western quadrature

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

Rektascenzia: 18h55m51s
Deklinácia: -21°56'40"

Moon

Excellent
Zdanlivá magnitúda: -12.7
Súhvezdie: Aries
Angular diameter: 12446.3"
Status: Moon illumination 55.3%

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

Rektascenzia: 00h52m16s
Deklinácia: +10°55'56"