May 2009 Dangaus reiškiniai

Stebėtojo vieta:Beijing (39.904°, 116.407°)

Mėnesio dangaus reiškinių apžvalga

20 astronominių įvykių iš viso, įskaitant 5 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 2009 mid-month observing conditions

Mercury

Fair
Regimasis ryškis: 5.3
Žvaigždynas: Taurus
Angular diameter: 11.9"
Status: near superior conjunction

Observation tip: Binoculars are recommended; Mercury stays close to the Sun; best seen at dusk or dawn

Rektascensija: 03h49m09s
Deklinacija: +20°06'25"

Venus

Excellent
Regimasis ryškis: -4.7
Žvaigždynas: Aries
Angular diameter: 31.6"
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: 00h40m16s
Deklinacija: +03°39'46"

Mars

Excellent
Regimasis ryškis: 1.2
Žvaigždynas: Aries
Angular diameter: 4.6"
Status: near eastern quadrature

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

Rektascensija: 01h05m12s
Deklinacija: +05°47'13"

Jupiter

Excellent
Regimasis ryškis: -2.3
Žvaigždynas: Aquarius
Angular diameter: 39.5"
Status: near eastern 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: 21h52m03s
Deklinacija: -13°42'32"

Saturn

Excellent
Regimasis ryškis: 0.8
Žvaigždynas: Virgo
Angular diameter: 18.5"
Status: near western quadrature

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

Rektascensija: 11h07m50s
Deklinacija: +07°57'03"

Uranus

Fair
Regimasis ryškis: 6.0
Žvaigždynas: Pisces
Angular diameter: 3.4"
Status: near eastern quadrature

Observation tip: A telescope is required; Binoculars or a telescope are recommended

Rektascensija: 23h45m33s
Deklinacija: -02°22'26"

Neptune

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

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

Rektascensija: 21h55m09s
Deklinacija: -13°04'18"

Moon

Excellent
Regimasis ryškis: -12.7
Žvaigždynas: Aquarius
Angular diameter: 11503.3"
Status: Moon illumination 71.5%

Observation tip: Moon illumination 71.5%; good for observing lunar surface detail

Rektascensija: 20h04m51s
Deklinacija: -20°39'56"