ASTRO 101
Quick Start Guide to Astronomy

Presenter:
Ted Williams

 

Rittenhouse Astronomical Society
Educators

 

Fels
Planetarium

 

 

 
 
 
 

 

 
 
 
 
 

 

 

 

 

 

 

 

 

 

 

 

   

Tools to Surf the Milky Way

BINOCULARS

 
   

   
   
   
   
   
   
   
   
   
   
   
   

 7  Magnification affects the field of view
 x
50  Aperture is the diameter of the lens in MM
   

FIELD OF VIEW

APERATURE
   

80 MM and larger

   
   

 

 
   
   
   
   
   
   

 

 

 

 

 

 

 

 

 

   

Small Portable TELESCOPE

 

   

refractor

reflector
   
   
   
   
   
   
   

                    
Compound Telescope -
Basically a reflector in a refractor format
   
   
   
   
   
   
   
   
   
   
   
   
   

 

 

 

 

     

Reflector ~ Dobson Style

 

Tabletop Model (2' tall)
Easy to Stash and Go

Standard Design (4-6' tall)
NOT  Portable

Truss Design
 More Portability ~ Alignment Considerations