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12 inch double truss $70k scope ...

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7 replies to this topic

#1 jeff.bottman

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Posted 13 September 2019 - 08:41 PM

If only I had bought that Microsoft stock back in 1990 ...

 

luntsolarsystems.com/shop/solar-products/hydrogen-alpha/300mm-telescopes/lunt-ls300t-solar-telescope-h-alpha-pressure-tuned/

 

Thought folks here might find this interesting.



#2 hopskipson

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Posted 13 September 2019 - 08:54 PM

Saw this in person at NEAF, and it is impressive.  I'm going to need a much bigger mount when I hit the lottery!lol.gif



#3 TOMDEY

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Posted 13 September 2019 - 09:50 PM

Cool! And you can click on as many as you want! I added twenty four of them to my wish list... but didn't actually put them in the cart. Sometimes vendors call, if they see you've been sniffing around, but haven't quite placed the order... yet...     Tom



#4 petert913

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Posted 13 September 2019 - 09:50 PM

Here's a clickable link:

 

https://tinyurl.com/y6gwkpdl

 

I am surprised it says this scope is "in stock".  I would have bet it was special order only.


Edited by petert913, 13 September 2019 - 09:51 PM.


#5 RickV

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Posted 14 September 2019 - 04:03 AM

...I am surprised it says this scope is "in stock".  I would have bet it was special order only.

The one they have is "in stock"!  lol.gif

 

Best,

Rick



#6 hopskipson

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Posted 14 September 2019 - 07:26 AM

The one they have is "in stock"!  lol.gif

 

Best,

Rick

It's probably the same one I saw at NEAF. grin.gif.  If you can wait until next NEAF they may do a 5% off deal. lol.gif 



#7 MalVeauX

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Posted 14 September 2019 - 09:10 AM

250mm F11 R30 Doublet Refractor in collimating cell ($6.2k)

150mm Aires Full Aperture Tri-band (393nm, 430nm & 656nm) D-ERF (internal ERF in the light cone behind the objective) ($1.5k)

Daystar Quantum HA 0.7A PE ($7k) x 2 (double stack)

Daystar Quantum CaK 2.0A PE ($7k)

Baader Telecentric Amplifier ($600)

Andover/E.O. 395nm or 430nm filter for G-band ($200~600)

OTA modular tube by Siebert Optics or Parallax Instruments ($3k)

Moonlite focuser ($600)

SSM ($500)

iOptron CEM120 ($4k)

 

$38,000 for the above tri-band 10" system and that's with the mount.

 

$32,000 budget for the observatory it will live in and any land required for it and any cameras/computers/other electronics you need. Also functions as a lunar/planetary scope.

 

Very best,



#8 ValeryD

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Posted 15 September 2019 - 08:21 AM

Marty,

 

A good and correctly made DERF filter will poorly work in a converging beam of light - the transmission curve will shifts blue.  It must work in a parallel or nearly parallel light beam.

This hypothetical 10" solar telescope must be equipped with a full aperture 265mm DERF.

 

Valery


Edited by ValeryD, 15 September 2019 - 09:14 AM.

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