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Refractor for my observatory

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#1 physics911

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Posted 16 May 2018 - 05:08 PM

I'm tired of collimating (don't try to talk me out of it), so I am going back to my first love of a refractor for DSO imaging.

I know I want an APO +/- of f/7, and in the 4" to 5" (100 -130mm) range.

My mount is an EQ6-R, and I have a permanent setup.

 

Of course I want to be closer to the 5" range, but I'm also not going to spend over $2k on the scope.

Most likely I will get a Moonlight focuser, so the stock focuser isn't a deciding factor for me. 

 

Right now I'm leaning towards the AT130EDT.

 

I know this type of question is beat to death, but it is also one of the most helpful things to discuss openly.

 

Thank you,

Chris

 



#2 rogeriomagellan

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Posted 16 May 2018 - 05:18 PM

I don't own one, but in my humble opinion, it sounds a great choice, especially if you want an instrumet that costs less than two thousand bucks.

 

Other options that might lure your attention:

 

TS 110mm f/7 with a 3" dual-speed Crayford focuser:

 

https://www.teleskop...rd-focuser.html

 

TS 115mm f/6.9 triplet with a 2.5" dual-speed rack-and-pinion focuser;

 

https://www.teleskop...cuser-1-11.html

 

TS 125mm f/7.8 with a 2.5" rack-and-pinion focuser:

 

https://www.teleskop...5--Focuser.html



#3 StarWolf57

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Posted 16 May 2018 - 05:19 PM

I have an AT130EDT and can highly recommend it. No hint hint of color and the mechanics are good. I don't do AP with it, but I have seen very good results from other forum members. 


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#4 rkaufmann87

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Posted 16 May 2018 - 05:24 PM

I own the current AT130EDT and think it's a fine choice. For the money it's almost impossible to beat. The build quality is great, the glass is excellent, the focuser is great.  Considering you are in the US I think it's the most logical choice for a 5" scope. If you were in Europe possibly the Telescope Express variant  but here in the US it's a great choice.

 

Also, if you are CN member if you order the AT130EDT from Astronomics (our host) you will get a discounted price. Its not much but it will help pay for an eyepiece or other accessory you may need like a field flattener as found in https://www.astronom...tor_p20383.aspx


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#5 fmeschia

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Posted 16 May 2018 - 05:29 PM

Two threads I have recently opened about imaging with an AT130EDT:

 

https://www.cloudyni...-object-so-far/

 

https://www.cloudyni...triplet-so-far/

 

and my Astrobin (most, but not all pictures taken with the '130):

 

https://www.astrobin.com/users/frankz/

 

Francesco


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#6 physics911

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Posted 16 May 2018 - 06:27 PM

The AT130EDT shows in stock, until you put it in your cart, then it shows waiting list.  Doesn't that just follow...

Oh well, I'll wait.  How do you get the CN discount?  I went all the way to checkout and didn't see it, and I am registered on Astronomics. 



#7 fmeschia

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Posted 16 May 2018 - 06:30 PM

If you have your CN username set in your Astronomics user profile, they should apply the discount automatically. 



#8 havasman

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Posted 16 May 2018 - 09:21 PM

Send 'em an email and ask them all your Q's. They're really good about clearing things up.

 

I have the AT115EDT. If the big scope's anything like its little brother, and I'm pretty sure it is, then it's a peach. And that's a good thing.



#9 rkaufmann87

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Posted 16 May 2018 - 11:21 PM

The AT130EDT shows in stock, until you put it in your cart, then it shows waiting list.  Doesn't that just follow...

Oh well, I'll wait.  How do you get the CN discount?  I went all the way to checkout and didn't see it, and I am registered on Astronomics. 

Call them to see if they have it in stock, if they do they'll let you know and also advise you on the discount. 



#10 physics911

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Posted 17 May 2018 - 10:30 AM

I ordered the AT130edt but it is a month backorder

#11 rkaufmann87

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Posted 17 May 2018 - 11:50 AM

I ordered the AT130edt but it is a month backorder

I'm not horribly surprised, it's a popular scope. When I ordered mine in March 2016, it arrived in July 2016. Did Astronomics indicate that you should expect yours in about a month, if so and it doesn't arrive re-contact them for an update. They're responsive however sometimes things beyond they're control occur that affects their best intentions. For example, one never knows if there is storm the ship carrying your scope has to avoid, how long it takes for US Customs to clear the import, how long the trucker driving from the West Coast to Oklahoma will take, etc... 


Edited by rkaufmann87, 17 May 2018 - 11:51 AM.



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