July 2012 Himmelshändelser

Observatörens plats:Beijing (39.904°, 116.407°)

Månadsöversikt över himlahändelser

21 himlahändelser totalt, inklusive 4 månfaser och 2 planetära händelser.

Dagliga himlahändelser

Alla tider är i lokal tid (Asia/Shanghai)

Group Datum Soluppgång/Solnedgång Månuppgång/Månnedgång Månfas Himmelshändelser

Planetary outlook

July 2012 mid-month observing conditions

Mercury

Excellent
Skenbar magnitud: 1.7
Stjärnbild: Leo
Angular diameter: 10.5"
Status: near superior conjunction

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

Rektascension: 08h56m29s
Deklination: +14°07'13"

Venus

Excellent
Skenbar magnitud: -4.7
Stjärnbild: Gemini
Angular diameter: 35.8"
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

Rektascension: 04h46m56s
Deklination: +17°43'10"

Mars

Excellent
Skenbar magnitud: 1.0
Stjärnbild: Libra
Angular diameter: 6.2"
Status: near western quadrature

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

Rektascension: 12h23m04s
Deklination: -02°18'56"

Jupiter

Excellent
Skenbar magnitud: -2.1
Stjärnbild: Gemini
Angular diameter: 34.8"
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

Rektascension: 04h21m48s
Deklination: +20°44'24"

Saturn

Excellent
Skenbar magnitud: 0.7
Stjärnbild: Libra
Angular diameter: 17.1"
Status: near western quadrature

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

Rektascension: 13h29m08s
Deklination: -06°39'22"

Uranus

Fair
Skenbar magnitud: 5.9
Stjärnbild: Aries
Angular diameter: 3.6"
Status: near eastern quadrature

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

Rektascension: 00h32m31s
Deklination: +02°43'01"

Neptune

Fair
Skenbar magnitud: 7.7
Stjärnbild: Pisces
Angular diameter: 2.3"
Status: near eastern quadrature

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

Rektascension: 22h19m41s
Deklination: -11°03'48"

Moon

Excellent
Skenbar magnitud: -12.7
Stjärnbild: Gemini
Angular diameter: 11521.1"
Status: Moon illumination 16.1%

Observation tip: Moon illumination 16.1%; good for observing lunar surface detail

Rektascension: 04h15m19s
Deklination: +21°07'06"