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Equipment Discussions >> Cats & Casses

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t.r.
Post Laureate
*****

Reged: 02/14/08

Loc: Upstate NY
Re: Mewlons, Refractors and Seeing new [Re: Ryuno]
      #6148156 - 10/20/13 10:27 AM

Nothing crazy about that TAK! My dream scope too!

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Erik Bakker
Carpal Tunnel
*****

Reged: 08/10/06

Loc: The Netherlands, Europe
Re: Mewlons, Refractors and Seeing new [Re: Ryuno]
      #6148199 - 10/20/13 10:54 AM

Heinz,

Congratulations. That scope is just too beautiful


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Ed Wiley
scholastic sledgehammer


Reged: 05/18/05

Loc: Kansas, USA
Re: Mewlons, Refractors and Seeing new [Re: Alph]
      #6148222 - 10/20/13 11:11 AM

Quote:

Quote:

Would a stopped down 250mm Mewlon would be any worse than a 6" apo? Might be an interesting experiment.

Ed



How are you going to stop down central obstruction?




You go off axis, displace the aperture to the side between the spider vanes. How bid the aperture depends on the unobstructed distance between the edge of the secondary housing and the outer edge of the mirror. With my 12.5" dob the limit is about 5". No CO at all. One resource:

http://www.atmsite.org/contrib/Harbour/StoppingDown.html

Ed


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Sunspot
Postmaster
*****

Reged: 03/15/05

Loc: Surprise, AZ
Re: Mewlons, Refractors and Seeing new [Re: Ryuno]
      #6148294 - 10/20/13 11:57 AM

Ah yes!! I remember the thrill when I opened my Mewlon 250 back in 2005. It was so beautiful set up in my living room, I almost had to kick myself to take it outside. The first evening I imaged Mars and it absolutely blew the doors off the C925 I owned at the time.

I own a C14 on a CGE Pro mount now, but I will not sell the Mewlon 250...unless I get a Mewlon 300 to replace both the C14 and the Mewlon 250.

I hope you enjoy yours as much as I have enjoyed mine!

Paul


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Ryuno
sage


Reged: 05/09/13

Loc: Tokyo
Re: Mewlons, Refractors and Seeing new [Re: Sunspot]
      #6148550 - 10/20/13 02:59 PM

Paul, thank you. it looks as if I really have something to look forward to.
So you have both the C14 and the M250. That's interesting. Others are writing, that the M250 cannot compete with the C14. You don't seem to think the same way, as you are keeping the M250. May I ask, how the two scopes compare in your eyes? Which mount are you using with the M250?

Have a good week. With nice weather. We have just gone through a Taifun, now it is clear outside after the storm at 4 a.m. And when I get up later in the morning I will be able to see Mount Fuji in the distance.
Heinz


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payner
scholastic sledgehammer
*****

Reged: 03/22/07

Loc: Bluegrass Region, Kentucky
Re: Mewlons, Refractors and Seeing [Re: Ryuno]
      #6148975 - 10/20/13 07:35 PM

Enjoy that beautiful Tak. Please give us a first light report ... soon.

Best,
Randy


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Kunama
professor emeritus


Reged: 10/22/12

Re: Mewlons, Refractors and Seeing new [Re: payner]
      #6149324 - 10/21/13 06:30 AM

Why do people rave about Takahashi scopes? I don't see the attraction ........
.
.
.
.
.
.
.That is a seriously beautiful scope.


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Ryuno
sage


Reged: 05/09/13

Loc: Tokyo
Re: Mewlons, Refractors and Seeing new [Re: Kunama]
      #6149348 - 10/21/13 07:16 AM

Quote:

Why do people rave about Takahashi scopes? I don't see the attraction ........
.
.
.
.
.
.
.That is a seriously beautiful scope.




Everybody needs something to rave about...


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Sunspot
Postmaster
*****

Reged: 03/15/05

Loc: Surprise, AZ
Re: Mewlons, Refractors and Seeing new [Re: Ryuno]
      #6149574 - 10/21/13 10:19 AM

Thanks!

The Mewlon is on the EM200 mount. That setup really is well matched. My only interest are the planets and for the most part the views are similar with both scopes. Seeing in my back yard never gets good enough for the C14 to really out perform the Mewlon. Just more light and I can use my imaging setup at like F/18 instead of pushing to F/25 for the same image size.

Paul


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