May 2017 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

20 astronominių įvykių iš viso, įskaitant 4 Mėnulio fazes ir 1 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

May 2017 mid-month observing conditions

Mercury

Excellent
Regimasis ryškis: 0.6
Žvaigždynas: Aries
Angular diameter: 8.7"
Status: near greatest eastern elongation

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

Rektascensija: 01h52m37s
Deklinacija: +08°03'17"

Venus

Excellent
Regimasis ryškis: -4.6
Žvaigždynas: Aries
Angular diameter: 30.6"
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

Rektascensija: 00h38m39s
Deklinacija: +03°23'20"

Mars

Excellent
Regimasis ryškis: 1.6
Žvaigždynas: Gemini
Angular diameter: 3.8"
Status: near western quadrature

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

Rektascensija: 04h59m23s
Deklinacija: +23°28'12"

Jupiter

Excellent
Regimasis ryškis: -2.4
Žvaigždynas: Libra
Angular diameter: 42.5"
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: 12h54m34s
Deklinacija: -04°12'18"

Saturn

Excellent
Regimasis ryškis: 0.2
Žvaigždynas: Sagittarius
Angular diameter: 18.1"
Status: near eastern quadrature

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

Rektascensija: 17h45m29s
Deklinacija: -22°01'18"

Uranus

Fair
Regimasis ryškis: 5.9
Žvaigždynas: Aries
Angular diameter: 3.4"
Status: near eastern quadrature

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

Rektascensija: 01h37m53s
Deklinacija: +09°34'46"

Neptune

Fair
Regimasis ryškis: 7.8
Žvaigždynas: Pisces
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascensija: 23h02m19s
Deklinacija: -07°06'48"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Capricornus
Angular diameter: 11509.1"
Status: Moon illumination 85.5%

Observation tip: Moon illumination 85.5%; good for observing lunar surface detail

Rektascensija: 18h38m29s
Deklinacija: -19°17'38"