so you want to buy a telescope!
TRANSCRIPT
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SO YOU WANT TO BUY A TELESCOPE!
Presented by the Mahoning Valley
Astronomical Society
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TELESCOPES
Everything you wanted to know …
but could not afford to ask!
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Parts and Pieces
Telescope Tube with Optics
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Parts and Pieces
Mount
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Parts and Pieces
Finder Scope
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Parts and Pieces
Eyepieces
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Why use a telescope?
1. Magnify Nearby Objects
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You can overdo magnification.
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Morel of the story
Do not purchase a scope whose chief advertisement mentions magnification…
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2. Resolving Power
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3. Light Gathering Power
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Basic Types of Telescope
1. Refractor
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2. Reflectors
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3. Cassegrain
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Best Value For Your Money?
Reflectors
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Most Compact?
Casssegrain
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Best Contrast
Refractors But You Will Pay More
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Bigger is better.Larger Lens or Mirror
Greater Light Gathering Power and Resolution
$$$$
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Triple the mirror or lens size
Gather 9x as much light
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Telescope Mounts
Equatorial
Easier for Amateur
Astrophotography
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Alt-Az
Most Commonly Used
Cheaper
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Motorized
Track Night Sky as Earth Rotates Adds to the cost
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GoTo Mounts
Computerized Pointing
Easier for Beginners
More Costly
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So what will this cost?
$200
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So what will this cost?
$200
Check Out Telescopes- Columbiana Library
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So what will this cost?
$280
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Add this and have the equivalent of a computerized system.
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So what will this cost?
$500
Intelliscope
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So what will this cost?
$4000
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So what will this cost?
$15,000
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What will you get if you spend this?
$2 billion
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Forget keeping up with the Joneses…
Buy what you can afford and will use!
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Many of us haveMultiple scopes forMultiple purposes.
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A good quality scopeAlways has a use.
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Or you can build your own
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Many MVAS club members have built telescopes.
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So what can you do with a telescope?
Discover the Night Sky
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Astroimaging
Jodi and Roy McCullough- MVAS Club Members
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Mike Heim- MVAS Club Member
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Lou DiNardo- MVAS Club Member
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Don Cherry- MVAS Club Members
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Scientific ResearchVariable star measurements
Phil Plante and Chris Stephan- MVAS Members
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Recommended Retailers
Woodland Hills Camera and Telescope Orion Telescopes and Binocular Astromart- Used and New eBay- Used and New
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Coming Soon
January 17 1:00 pm
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SO YOU GOT A TELESCOPE!
Presented by the Mahoning Valley
Astronomical Society
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Ask us questions!
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