Telescopes

 Types Of Telescopes

     There are two types of telescopes

1.  Refractor Telescope
2.  Reflector Telescope 

     Refractor Telescope

     Invented By : Hans lippershey,Galelio Galilei 
     On : month of May 1609 

  A refracting or refractor telescope is a type of optical telescope that uses a lens as its objective to  form an image (also referred to a dioptric telescope). The refracting telescope design was originally used in spy glasses and astronomical telescopes but is also used for long focus camera lenses 

Reflector Telescope

  Invented By : Isaac Newton  

instruments requried for astronomy

Telescope
It is used to mginify objects.
to know more about telescopes refer the page telescopes.

Astronomical Binoculars
It is also used for magnifing objects.

Astrolabe
It is used measure azimuth and altitude.
To know about azimuth and altitude refer alt azimuth page.

 Sky Maps

It is used to find the sky to night.

softares for astronomy

3d solar system
http://project-metis.com/SolarSystem/ 
stellarium
http://www.stellarium.org/