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What to look for and what to do once you’ve got it!
TELESCOPE CLINIC
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• Start Small!
WHERE TO BEGIN
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LEARN THE NIGHT SKY
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GET A PLANISPHERE
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RED FLASHLIGHT
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CHECK OUT SOME FREE APPS!• Stars
• Planets
• Sky view free
• Star Safari
• Sky Map
• Phases of the Moon ($.99)
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• They’re cheaper
• More portable
TRY BINOCULARS FIRST
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• 3rd Wednesday of the month at the WB Planetarium, 7:30 p.m.
• Final two meetings before summer
• Wednesday, April 9
• Wednesday, May 21
• www.tristateastronomers.org
• Experience with many different scopes
COME TO A TSA MEETING!
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• A few hundred dollars?
• A few thousand dollars?
COSTS
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A FEW THINGS TO CONSIDER
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• Diameter of the main lens or mirror of a telescope
APERTURE
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• High f ratio = better high magnification viewing
• Take focal length/aperture
F-RATIO
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• Depends on what you want to see.
• High power gives smaller patch of sky
• Pleiades and Milky Way are better in low power
• High power may not be necessary for you
SHOULD I GET THE BIGGEST AND HIGHEST F-RATIO I CAN AFFORD???
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• Department stores
• Advertising “SUPER HIGH POWER”
STAY AWAY FROM TOO GOOD TO BE TRUE
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• http://www.tristateastronomers.org/parties.htm
WHAT ARE THE TYPES OF TELESCOPES AND WHICH IS RIGHT FOR ME?
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GOTO SCOPE OR MANUAL
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NEEDS
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FINDER SCOPE
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STAR CHARTS
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• Color Filters
• Moon Filters
• Solar Filters
• http://www.telescopes.com/telescopes/howdifferentfilterscanbetteryourviewarticle.cfm
FILTERS
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EYE PIECES• The smaller the number the higher the
magnification, smaller your field of view
• Focal length of telescope/focal length of eyepiece gives magnification
• Barlow lens doubles magnification
• http://www.skyandtelescope.com/equipment/basics/Guide_to_Eyepieces.html
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• To help show others what you’re looking at.
• More fun to observe with a friend.
LASER POINTER
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• Easy transport of materials
TACKLE BOX
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PLACES TO GO TO BUY A SCOPE
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• http://www.telescope.com/
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• Worked with WB Planetarium
• http://www.theskyplus.com/
• Todd
• Baltimore Maryland
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• http://www.company7.com/
• Montpelier, MD
• Where I bought my own personal telescope
• Will tighten up your optics on factory bought scopes, smoother motion & better aligned optics
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• www.tristateastronomers.org
• www.cloudynights.com
WEBSITES TO VISIT
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• Thursday, April 4
• Friday, April 5
• Dusk – 11 p.m.
• Telescopes
• Hands – On Zone for kids
• Sky Tours
• More!
TSA ANTIETAM NATIONAL BATTLEFIELD STAR PARTY