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Martin Crow Crayford Manor House Astronomical Society Charts and the Sky
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Last week Basic glossary of terms Finding North The mark 1 eye ball Binoculars Have a look at our website: www.cmhas.wikispaces.com
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This week Using the Planisphere and a bit of practical. Coordinate systems – locating objects. The Constellations through the year. Finding things on charts. Martin Crow Crayford Manor House Astronomical Society The Sky tonight
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Martin Crow
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The Planishere
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Martin Crow Crayford Manor House Astronomical Society
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Planisphere practical What do you notice about the stars/ constellations below the pole star when the front disc is rotated? What constellation is setting and what constellation is rising at 8 o’clock on October 24th and what constellation is just past the Zenith? What time does Jupiter rise tonight? What time did the Sun set tonight?
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Constellations through the year
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Winter
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Winter sky looking North
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Orion
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Taurus
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Gemini
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Auriga
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Spring
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Summer
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Autumn
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Coordinate systems Alt Az or Horizontal coordinates. Stands for Altitude and Azimuth Martin Crow Crayford Manor House Astronomical Society Skymap Pro
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Coordinate systems RA and Dec Right Ascension and Declination
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Coordinate systems Right ascension zero is taken from the Vernal equinox also called the first point in Aries and is measures in hours.
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Coordinate systems Other coordinate systems are: Ecliptic coordinates. Galactic coordinates. Heliocentric coordinates.
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Using charts
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AltitudeDateTop DecTop R.A.Transit +51° 00' 10"25 Jan 2011+12° 26' 58"08h 17m 07.4s01:02:47 +50° 41' 24"01 Feb 2011+12° 40' 39"08h 09m 41.2s00:27:52 +49° 13' 18"08 Feb 2011+12° 56' 10"08h 03m 06.3s23:49:02 +46° 49' 54"15 Feb 2011+13° 11' 59"07h 57m 47.4s23:16:25 +43° 48' 17"22 Feb 2011+13° 26' 59"07h 53m 59.7s22:45:20 +40° 23' 39"01 Mar 2011+13° 40' 15"07h 51m 49.8s22:15:53 +36° 47' 29"08 Mar 2011+13° 51' 03"07h 51m 18.7s21:48:03 +33° 07' 27"15 Mar 2011+13° 58' 48"07h 52m 23.0s21:21:46 +29° 28' 07"22 Mar 2011+14° 03' 07"07h 54m 54.7s20:56:56 +25° 51' 58"29 Mar 2011+14° 03' 46"07h 58m 44.5s20:33:22 Ephemeris of 7 Iris
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8h9h 7h
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Planet visibility
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Planetarium software Martin Crow Crayford Manor House Astronomical Society
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