Appenzellersun, modding an old SPV

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swisswalter
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Appenzellersun, modding an old SPV

Post by swisswalter »

Hi cracks

now that is an other mod waiting to be done here. It is a solarpromviewer which fits my vixen NP80M I showed you in the outreach section, some time ago

here a pic of the scope

vixenNP80M.jpg

It took me a long time to disassemble the SPV , but now I have opened it and found an Andover 656FS01-25 AM -7647 filter in it. The redside looks good , the other side gold/blue is foggy. So I have to get a replacement.

At andover I found 656FS02-25 with 1 nm bandwith +0.2/ -0.2 (very cheap ;-) )

and


656FS03-25 3nm bandwith +0.5/-05 , just 100 $ less :-(

Are there alternatives ?


Only stardust in the wind, some fine and some less fine scopes, filters and adapters as well. Switzerland 47 N, 9 E, in the heart of EUROPE :)

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from 7.01 pm - 6.59 am http://www.wastronomiko.com some times vice versa ;)
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Re: Appenzellersun, modding an old SPV

Post by marktownley »

Should work, I would go with the first...


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Re: Appenzellersun, modding an old SPV

Post by swisswalter »

Thank you Mark

I feared that. Just the cheapest of them ;-(


Only stardust in the wind, some fine and some less fine scopes, filters and adapters as well. Switzerland 47 N, 9 E, in the heart of EUROPE :)

from 7 am - 7 pm http://www.nanosys.ch

from 7.01 pm - 6.59 am http://www.wastronomiko.com some times vice versa ;)
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Re: Appenzellersun, modding an old SPV

Post by DavidG »

Walter,
You might consider this filter from Omega on Ebay. It is cheaper then the Andover filter and narrower in bandwidth.

- Dave

http://www.ebay.com/itm/Optical-Interfe ... 173wt_1074


Engineering = Take what you have and making what you need
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Re: Appenzellersun, modding an old SPV

Post by swisswalter »

Hi David

thank you very much for the hint


Only stardust in the wind, some fine and some less fine scopes, filters and adapters as well. Switzerland 47 N, 9 E, in the heart of EUROPE :)

from 7 am - 7 pm http://www.nanosys.ch

from 7.01 pm - 6.59 am http://www.wastronomiko.com some times vice versa ;)
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