Re: ATM Should I paint the mirror-cell and the diagonal holder?

[Brian Nestel <blast@aloha.net>]

Olle Eriksson wrote:
> I have almost finished the dob mount to my 8 inch telescope and I have one
> quetsion before I install the optics. Should I paint the mirror-cell and
> diagonal holder with any kind of paint? Do I have to paint it or will it
> work anyway. What are the drawbacks?
Hi:
You only have to paint the mirror cell for aethestic purposes or weather
protection, the diagonal holder and spider should be painted with flat
black paint to reduce refections, try to have no shiney places in the
OTA if possible. Also its a good idea to paint an square or circular
area about 10 to 15cm around the eyepiece holder on the outside of the
OTA with flat black paint to keep light from reflecting into your
eye when observing.

-- 
Aloha   159 36 W, 21 58 45 N
Brian   Middle of the Pacific,
_________________________________________________________
|         NESCOMP         |          K.E.A.S.A.         |      
|    Computer Services    |Kauai Educational Association| 
| Box 73, Lawai, HI 96765 |  for Science and Astronomy  |          
| Voice/Fax 808-332-7709  |  Box 161, Waimea, HI 96796  |
|     blast@aloha.net     |                             |

   To doubt everything or to believe everything
   are two equally convenient solutions; both
   dispense with the necessity of reflection.
            - Jules Henri Poincare