January 1987 Eventi celesti

Posizione dell'osservatore:Beijing (39.904°, 116.407°)

Panoramica degli eventi celesti mensili

21 eventi celesti in totale, inclusi 4 fasi lunari e 2 eventi planetari.

Eventi celesti giornalieri

Tutti gli orari sono in ora locale (Asia/Shanghai)

Group Data Alba/Tramonto Sorgere/Tramontare della Luna Fase lunare Eventi celesti

Planetary outlook

January 1987 mid-month observing conditions

Mercury

Excellent
Magnitudine apparente: -1.4
Costellazione: Capricornus
Angular diameter: 4.7"
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

Ascensione retta: 19h52m31s
Declinazione: -23°00'11"

Venus

Excellent
Magnitudine apparente: -4.5
Costellazione: Sagittarius
Angular diameter: 25.1"
Status: near greatest eastern elongation

Observation tip: Very bright, easily visible to the naked eye; Venus is the brightest planet and is best seen at dusk or dawn

Ascensione retta: 16h25m01s
Declinazione: -17°59'27"

Mars

Excellent
Magnitudine apparente: 0.7
Costellazione: Aries
Angular diameter: 6.4"
Status: near western quadrature

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

Ascensione retta: 00h16m55s
Declinazione: +01°38'17"

Jupiter

Excellent
Magnitudine apparente: -2.2
Costellazione: Pisces
Angular diameter: 36.2"
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

Ascensione retta: 23h24m46s
Declinazione: -05°04'00"

Saturn

Excellent
Magnitudine apparente: 0.5
Costellazione: Sagittarius
Angular diameter: 15.4"
Status: near eastern quadrature

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

Ascensione retta: 17h03m37s
Declinazione: -21°18'56"

Uranus

Fair
Magnitudine apparente: 5.7
Costellazione: Sagittarius
Angular diameter: 3.5"
Status: near eastern quadrature

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

Ascensione retta: 17h35m34s
Declinazione: -23°26'23"

Neptune

Fair
Magnitudine apparente: 7.9
Costellazione: Capricornus
Angular diameter: 2.2"
Status: near eastern quadrature

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

Ascensione retta: 18h26m50s
Declinazione: -22°17'18"

Moon

Excellent
Magnitudine apparente: -12.7
Costellazione: Cancer
Angular diameter: 11478.7"
Status: Moon illumination 99.8%

Observation tip: Moon illumination 99.8%; good for observing lunar surface detail

Ascensione retta: 07h43m37s
Declinazione: +26°19'29"