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Astrophotography and Sketching >> Beginning and Intermediate Imaging

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rflinn68Moderator
Carpal Tunnel


Reged: 03/09/12

Loc: Arkansas
Levenhuk carbon fiber 8" RC on the way!
      #6029302 - 08/16/13 02:34 PM

Mary @ Levenhuk gave me a deal I just couldnt refuse so now I'm in deeper debt. But I cant wait to see it! Should be here monday! Info and specs here

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raf1
scholastic sledgehammer
*****

Reged: 11/18/05

Loc: south Texas
Re: Levenhuk carbon fiber 8" RC on the way! new [Re: rflinn68]
      #6029310 - 08/16/13 02:38 PM

New scopes are always exciting. Looking forward to your "first light" report.

CS, Ron


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CounterWeight
Postmaster
*****

Reged: 10/05/08

Loc: Palo alto, CA.
Re: Levenhuk carbon fiber 8" RC on the way! new [Re: raf1]
      #6029482 - 08/16/13 04:11 PM

Looks like a great scope are you getting the reducer for it as well?

I'll look forward to reading your experiences. Got to have something special to inaugurate the new observatory ! Don't forget the pictures...


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rflinn68Moderator
Carpal Tunnel


Reged: 03/09/12

Loc: Arkansas
Re: Levenhuk carbon fiber 8" RC on the way! new [Re: CounterWeight]
      #6029528 - 08/16/13 04:43 PM Attachment (11 downloads)

Hey Jim.....in addition to the scope I was also "forced" to buy the ADM dual saddle for my CGEM DX to accept the Vixen dovetail of the new scope. With all this plus the new observatory under construction I'm in enough trouble with the wife. I think the reducer will have to wait a while. I need to get the scope paid for first!

Honestly, she's very supportive but I'm not gonna push it.

I'm hoping to test the observatory out sunday night. I just need to set a couple more poles in concrete tonight and tomorrow mount my gables and beams and screw on the sheet metal. Should be ready to roll the roof off by sunday evening!

Oh....you can count on some pictures of the new scope being posted by monday evening or sometime tuesday.


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Madratter
Post Laureate


Reged: 01/14/13

Re: Levenhuk carbon fiber 8" RC on the way! new [Re: rflinn68]
      #6029663 - 08/16/13 06:07 PM

Grats. I'll be VERY interested how that works out for you. I know that I want to replace my C8. I just haven't decided what exactly I'll be replacing it with. The Comet Hunter is one strong possibility, but this or some other other brand of it is another.

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rflinn68Moderator
Carpal Tunnel


Reged: 03/09/12

Loc: Arkansas
Re: Levenhuk carbon fiber 8" RC on the way! new [Re: Madratter]
      #6029674 - 08/16/13 06:11 PM

Quote:

Grats. I'll be VERY interested how that works out for you. I know that I want to replace my C8. I just haven't decided what exactly I'll be replacing it with. The Comet Hunter is one strong possibility, but this or some other other brand of it is another.




I'll let you know asap. I believe these to be the same scopes as the Astro Tech. I just got an unbelievable deal on this one and got tired of waiting for the AT carbon fiber to become available.


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frozen.kryo
super member


Reged: 01/28/11

Loc: East of the Sun, West of the M...
Re: Levenhuk carbon fiber 8" RC on the way! new [Re: rflinn68]
      #6030309 - 08/17/13 03:15 AM

Congrats on the new scope to go with your obs!

I'm also considering an RC to replace my C8, but I don't have an obs.

+1 on your first light report.


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TimN
Pooh-Bah


Reged: 04/20/08

Loc: Ontario, Canada
Re: Levenhuk carbon fiber 8" RC on the way! new [Re: frozen.kryo]
      #6030460 - 08/17/13 08:34 AM

Congratulations on the new scope. I think you are correct, it sure looks like the Astor Tech model. I have been looking at this one as well and am looking forward to seeing your images.

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rflinn68Moderator
Carpal Tunnel


Reged: 03/09/12

Loc: Arkansas
Re: Levenhuk carbon fiber 8" RC on the way! new [Re: TimN]
      #6030493 - 08/17/13 08:59 AM

Quote:

Congratulations on the new scope. I think you are correct, it sure looks like the Astor Tech model. I have been looking at this one as well and am looking forward to seeing your images.




The AT's have a D-style dovetail on the bottom and Vixen on top. I needed the Losmandy style to fit my CGEM DX mount but this turned out to be a bargaining point. I ended up getting the scope and an ADM dual saddle for the CGEM for still quite a bit less than the regular price of the scope(s) alone.


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rflinn68Moderator
Carpal Tunnel


Reged: 03/09/12

Loc: Arkansas
Re: Levenhuk carbon fiber 8" RC on the way! new [Re: rflinn68]
      #6035225 - 08/19/13 07:18 PM

Just got the scope! No dents or scratches so thats a good thing. Moon will be bright but I plan to give it a quick test run tonight. I'll let you know how I like it and post some pictures this evening or tomorrow.

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CounterWeight
Postmaster
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Reged: 10/05/08

Loc: Palo alto, CA.
Re: Levenhuk carbon fiber 8" RC on the way! new [Re: rflinn68]
      #6035383 - 08/19/13 09:03 PM

Glad to hear it - I'll be staying tuned Hope you have good skies tonight.

Edited by CounterWeight (08/19/13 09:04 PM)


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SergeC
scholastic sledgehammer
*****

Reged: 03/23/12

Loc: Gainesville, FL
Re: Levenhuk carbon fiber 8" RC on the way! new [Re: CounterWeight]
      #6035427 - 08/19/13 09:38 PM

Way cool, 'grats. Look forward to your report (and images).

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rflinn68Moderator
Carpal Tunnel


Reged: 03/09/12

Loc: Arkansas
Re: Levenhuk carbon fiber 8" RC on the way! new [Re: SergeC]
      #6035707 - 08/20/13 01:06 AM Attachment (9 downloads)

No report but here are a couple quick shots I took after I closed the roof tonight. I will have to learn how to collimate an RC before I can do anything else. Just a quick spin around the block tonight with the near full Moon out. It was out of collimation but it also seemed like it has some field curvature or coma. Not sure which it is with these scopes?? I hope getting it collimated will give me a flat field corner to corner because the main reason I bought this scope was for the long focal length and I dont want to have to put their 0.75X reducer/(corrector?) on it. I thought they were supposed to have a flat field without using a flattener? If anyone has any advice to pass along as far as flatteners and collimation goes on these scopes please share it with me. Anyway, here's a couple shots of it and I have 45 days to test it out and decide if I want to keep it. I hope its a good one because it sure is pretty!

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rflinn68Moderator
Carpal Tunnel


Reged: 03/09/12

Loc: Arkansas
Re: Levenhuk carbon fiber 8" RC on the way! new [Re: rflinn68]
      #6035710 - 08/20/13 01:09 AM Attachment (8 downloads)

How the heck do you put 2 pictures in one post? Here's the other one....and yes, this is where the scope sat in the saddle and where my counterweight was with my camera attached!

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Jeff2011
Pooh-Bah
*****

Reged: 01/01/13

Loc: Sugar Land, TX
Re: Levenhuk carbon fiber 8" RC on the way! new [Re: rflinn68]
      #6035727 - 08/20/13 01:30 AM

That's a beauty Richard. Fits nicely in your new observatory. Perfect timing. Can't wait to see your images with it.

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CounterWeight
Postmaster
*****

Reged: 10/05/08

Loc: Palo alto, CA.
Re: Levenhuk carbon fiber 8" RC on the way! new [Re: Jeff2011]
      #6035837 - 08/20/13 04:07 AM

Nice , love that look of CF tubes!

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rflinn68Moderator
Carpal Tunnel


Reged: 03/09/12

Loc: Arkansas
Re: Levenhuk carbon fiber 8" RC on the way! new [Re: CounterWeight]
      #6036040 - 08/20/13 09:07 AM

Thanks guys! Any tips on collimating it? Its not like a Schmidt-Cassegrain. It also has primary mirror adjustment screws. I wonder if I can use my laser like I do on my newts?

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SergeC
scholastic sledgehammer
*****

Reged: 03/23/12

Loc: Gainesville, FL
Re: Levenhuk carbon fiber 8" RC on the way! new [Re: rflinn68]
      #6036111 - 08/20/13 09:48 AM

I'm afraid I have to report this to the mods, since you're posting telescope porn.

That's a seriously sweet setup, certainly in looks and I'm sure in performance once you get eveything dialed in. Looking forward to your images.

Congratulations again!


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Madratter
Post Laureate


Reged: 01/14/13

Re: Levenhuk carbon fiber 8" RC on the way! new [Re: rflinn68]
      #6036116 - 08/20/13 09:52 AM

I have no experience collimating them, but from what I hear, they are a bear if you have to do both the primary and the secondary. Sometimes you can do just the secondary and I would certainly start with that and see what it gets you.

As for coma, they have none. Field curvature they do have. My understanding is that for a 8300 size chip, they are pretty good even without a flattener. Stars will be very slightly oblong in the corners but not bad.

At any rate, until you get the thing collimated, any impressions of curvature in the corner are going to be worse than things really are.


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Madratter
Post Laureate


Reged: 01/14/13

Re: Levenhuk carbon fiber 8" RC on the way! new [Re: Madratter]
      #6036129 - 08/20/13 09:59 AM

Here is a thread that would be a good read on the amount of field curvature.

http://www.cloudynights.com/ubbthreads/showflat.php/Cat/0/Number/6022916/page...


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