Hello I am a student from Bakersfield College, and also participating in the national solar spectrograph competition. You will need to know what I am trying to accomplish with my spectrograph first, me and my team will be pointing our spectrograph at the sun and splitting the sun into four different regions. Then we will be using the spectrograph to determine how hot each region is and determine how sun spots affect the suns temperature in each region.also the Diffraction Gratings will be provided by Richardson Gratings.
Grating Description is 600 g/mm plane ruled reflection grating with 8.6° nominal blaze angle. The last thing is that we are on a $2000 budget so we cannot afford to spend a huge amount.
more info about the grating:
http://gratings.newport.com/products...efficiency=488