February 1987 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

20 astronominių įvykių iš viso, įskaitant 4 Mėnulio fazes ir 2 planetinius įvykius.

Dienos dangaus reiškiniai

Visi laikai nurodyti vietos laiku (Asia/Shanghai)

Group Data Saulėtekis/Saulėlydis Mėnulio patekėjimas/leidimasis Mėnulio fazė Dangaus reiškiniai

Planetary outlook

February 1987 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: -0.0
Žvaigždynas: Pisces
Angular diameter: 7.7"
Status: near superior conjunction

Observation tip: Visible to the naked eye; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascensija: 22h56m15s
Deklinacija: -05°05'45"

Venus

Excellent
Regimasis ryškis: -4.2
Žvaigždynas: Capricornus
Angular diameter: 18.5"
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

Rektascensija: 18h47m37s
Deklinacija: -20°54'38"

Mars

Excellent
Regimasis ryškis: 1.1
Žvaigždynas: Aries
Angular diameter: 5.5"
Status: near western quadrature

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

Rektascensija: 01h36m24s
Deklinacija: +10°23'26"

Jupiter

Excellent
Regimasis ryškis: -2.1
Žvaigždynas: Pisces
Angular diameter: 34.1"
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

Rektascensija: 23h48m21s
Deklinacija: -02°28'05"

Saturn

Excellent
Regimasis ryškis: 0.5
Žvaigždynas: Sagittarius
Angular diameter: 16.0"
Status: near eastern quadrature

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

Rektascensija: 17h15m10s
Deklinacija: -21°31'23"

Uranus

Fair
Regimasis ryškis: 5.7
Žvaigždynas: Sagittarius
Angular diameter: 3.6"
Status: near eastern quadrature

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

Rektascensija: 17h41m54s
Deklinacija: -23°30'02"

Neptune

Fair
Regimasis ryškis: 7.9
Žvaigždynas: Capricornus
Angular diameter: 2.2"
Status: near eastern quadrature

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

Rektascensija: 18h31m12s
Deklinacija: -22°13'59"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Virgo
Angular diameter: 11764.1"
Status: Moon illumination 98.7%

Observation tip: Moon illumination 98.7%; good for observing lunar surface detail

Rektascensija: 10h45m08s
Deklinacija: +10°59'45"