Re: [ATM] Searching ATM Archives: Baffles and straylight

[Gary Seronik <gseronik@netway.com>]

Hello Ulhas:

Ulhas Deshpande wrote:
> Thanks Mark
> Unfortunately I have no access to S&T .

If you have an internet connection, you have access to S&T.  I believe 
all the articles Mark cited are in the downloadable archive for a small 
fee.  (Go to www.SkyandTelescope.com.)

>However with Newt  and Jeff Baldwins 
> spreadsheet  I hope to be able
> to solve my problem.

I am not alone in thinking that the baffling scheme (a series of ring 
baffles in the tube) displayed by Newt is not a very good route to go. I 
would discourage it since you can achieve better results with other 
methods without making your thermal problems worse.  Just FYI.

Gary
> ----- Original Message ----- 
> From: "Mark Holm" <mdholm@telerama.com>
> To: "Ulhas Deshpande" <ulhas_ngp@sancharnet.in>
> Cc: "ATM" <atm@atmlist.net>
> Sent: Thursday, September 08, 2005 4:48 AM
> Subject: Re: [ATM] Searching ATM Archives: Baffles and straylight
> 
> 
> 
>>Ulhas Deshpande wrote:
>>
>>>Hello
>>>Iwas trying to locate information on Baffling a telescope and cheking for
>>>stray light.
>>
>>
>>The following Sky & Telescope articles may be useful.
>>
>>Telescope Techniques – Newtonian Baffling Made Easy
>> By Gary Seronik | April 2001,  p. 128-132
>>
>>Telescope Techniques – Stray Light in Telescopes
>> By Harold R. Suiter | January 2001,  p. 141-147
>>
>>Telescope Techniques – April 2004, p. 124-128
>> Daytime Telescope Testing
>> By Ernie Pfannenschmidt
>>
>>
>>
>>-- 
>>Mark Holm
>>mdholm@telerama.com
>>
>>
>>
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>>
> 
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