Basics Astronomy 1.2
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Transcript of Basics Astronomy 1.2
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BASICS ASTRONOMY 1.2
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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The Sky tonight
Martin Crow
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The Planishere
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Martin Crow Crayford Manor House Astronomical Society
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Planisphere practicalWhat 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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Altitude Date Top Dec Top R.A. Transit+51° 00' 10" 25 Jan 2011 +12° 26' 58" 08h 17m 07.4s 01:02:47
+50° 41' 24" 01 Feb 2011 +12° 40' 39" 08h 09m 41.2s 00:27:52
+49° 13' 18" 08 Feb 2011 +12° 56' 10" 08h 03m 06.3s 23:49:02
+46° 49' 54" 15 Feb 2011 +13° 11' 59" 07h 57m 47.4s 23:16:25
+43° 48' 17" 22 Feb 2011 +13° 26' 59" 07h 53m 59.7s 22:45:20
+40° 23' 39" 01 Mar 2011 +13° 40' 15" 07h 51m 49.8s 22:15:53
+36° 47' 29" 08 Mar 2011 +13° 51' 03" 07h 51m 18.7s 21:48:03
+33° 07' 27" 15 Mar 2011 +13° 58' 48" 07h 52m 23.0s 21:21:46
+29° 28' 07" 22 Mar 2011 +14° 03' 07" 07h 54m 54.7s 20:56:56
+25° 51' 58" 29 Mar 2011 +14° 03' 46" 07h 58m 44.5s 20:33:22
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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Martin Crow Crayford Manor House Astronomical Society
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