January 1987 Astronomické jevy

Poloha pozorovatele:Beijing (39.904°, 116.407°)

Přehled měsíčních nebeských úkazů

21 celkem nebeských úkazů, včetně 4 fáze Měsíce a 2 planetární jevy.

Denní nebeské úkazy

Všechny časy jsou v místním čase (Asia/Shanghai)

Group Datum Východ/západ Slunce Východ/západ Měsíce Fáze Měsíce Astronomické jevy

Planetary outlook

January 1987 mid-month observing conditions

Mercury

Excellent
Zdánlivá magnituda: -1.4
Souhvězdí: 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

Rektascenze: 19h52m31s
Deklinace: -23°00'11"

Venus

Excellent
Zdánlivá magnituda: -4.5
Souhvězdí: 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

Rektascenze: 16h25m01s
Deklinace: -17°59'27"

Mars

Excellent
Zdánlivá magnituda: 0.7
Souhvězdí: 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

Rektascenze: 00h16m55s
Deklinace: +01°38'17"

Jupiter

Excellent
Zdánlivá magnituda: -2.2
Souhvězdí: 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

Rektascenze: 23h24m46s
Deklinace: -05°04'00"

Saturn

Excellent
Zdánlivá magnituda: 0.5
Souhvězdí: 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

Rektascenze: 17h03m37s
Deklinace: -21°18'56"

Uranus

Fair
Zdánlivá magnituda: 5.7
Souhvězdí: Sagittarius
Angular diameter: 3.5"
Status: near eastern quadrature

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

Rektascenze: 17h35m34s
Deklinace: -23°26'23"

Neptune

Fair
Zdánlivá magnituda: 7.9
Souhvězdí: Capricornus
Angular diameter: 2.2"
Status: near eastern quadrature

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

Rektascenze: 18h26m50s
Deklinace: -22°17'18"

Moon

Excellent
Zdánlivá magnituda: -12.7
Souhvězdí: Cancer
Angular diameter: 11478.7"
Status: Moon illumination 99.8%

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

Rektascenze: 07h43m37s
Deklinace: +26°19'29"