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Equipment Discussions >> Cats & Casses

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jrbarnett
Eyepiece Hooligan
*****

Reged: 02/28/06

Loc: Petaluma, CA
New C8s - Cheap!
      #5749714 - 03/22/13 01:26 PM

The standard C8 SCT is *the* icon of the breed. Small enough to ride comfortably on a CG5 class mount. Big enough to serve up a large menu of observing options. In short, an OTA that everyone ought to own at least once in an observing career. As the Edge HD marketing drone muddles the hopeful and credulous into a zombie-like state of semi-consciousness, the standard SCTs much loved for generations have been overlooked.

In this case, these are brand new C8 OTAs featuring Fastar secondaries, a Vixen-comatible rail, a Celestron RDF and a hideous metallic orange paint job. I picked one up last year in a whim to take on an observing trip and to later use for outreach and to loan to friends. The one I received happened to have optics as good as any SCT I've ever owned. I remain quite happy with it and have added an Orion finder shoe, Scopestuff Delrin fine focus knob, Celestron flexible dew shade (works with both C6 and C8), Roberto's Knobs and Pacific Designs soft case. It will likely accompany me on my next long duration dark sky trip this coming September. What's not to love about 8" of aperture you don't feel guilty abusing over extended periods in harsh environments?

In any case, I noticed that Highpoint Scientific (with whom I have no relationship other than as a happy customer) still has some of these Nexstar C8 "unbundled" OTAs available...for just $799.

http://www.highpointscientific.com/product/11069-OTA/Celestron-C8-SCT-OTA-Ora...

Now that's a great deal.

- Jim


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rmollise
Postmaster
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Reged: 07/06/07

Re: New C8s - Cheap! new [Re: jrbarnett]
      #5749815 - 03/22/13 02:12 PM

Well, I do like the orange trope, but I gotta admit it is a bit much to look at day after day...

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jrbarnett
Eyepiece Hooligan
*****

Reged: 02/28/06

Loc: Petaluma, CA
Re: New C8s - Cheap! new [Re: rmollise]
      #5749888 - 03/22/13 02:44 PM

Y'know what they say, Rod. When the lights go out they all look pretty much the same.

The "ugly" has actually kinda grown on me. So much so that when I set it up to observe, instead of a black RACI I use a metallic silver RACI. The clash between the silver on a GSO finder and the metallic orange on the OTA is pretty extreme. Like wearing plaid and stripes at the same time.

- Jim


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TennDon
member
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Reged: 07/10/11

Re: New C8s - Cheap! new [Re: rmollise]
      #5749891 - 03/22/13 02:46 PM

I recently got one of those High Point Orange C8s to go on a CG5. I like it too.

And, I think it's kinda purty esp. in the sunlight.
Anyway, at night you can't see the color.
Don


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REC
Post Laureate
*****

Reged: 10/20/10

Loc: NC
Re: New C8s - Cheap! new [Re: jrbarnett]
      #5749982 - 03/22/13 03:37 PM

Jim, you really like that Scopestuff focusing wheel?

Thanks!

Bob


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Crow Haven
Pooh-Bah


Reged: 01/09/09

Loc: Oregon USA
Re: New C8s - Cheap! new [Re: jrbarnett]
      #5750037 - 03/22/13 04:02 PM Attachment (111 downloads)

Yep, that's the one I bought recently through High Point Scientific. I happen to love love love the metallic orange paint though! The best differences I've noticed are the new 8SE is a little brighter, sharper, and there's not the image shift when focusing as there is on my old C-8.
Here's a pic of my old 1985 SP C-8 and the Nexstar 8SE...


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jrbarnett
Eyepiece Hooligan
*****

Reged: 02/28/06

Loc: Petaluma, CA
Re: New C8s - Cheap! new [Re: REC]
      #5750043 - 03/22/13 04:04 PM

Howdy Bob.

Yup, works like a charm. And it's a fraction of the price of a Feathertouch Microfocuser.

Regards,

Jim


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jrbarnett
Eyepiece Hooligan
*****

Reged: 02/28/06

Loc: Petaluma, CA
Re: New C8s - Cheap! new [Re: Crow Haven]
      #5750048 - 03/22/13 04:06 PM

Yeah, I was only kind of beating it up for the color. It's grown on me, really. Everyone knows what you have from across the field without stopping be to see.

- Jim


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Goodchild
scholastic sledgehammer
*****

Reged: 12/31/08

Re: New C8s - Cheap! new [Re: jrbarnett]
      #5750792 - 03/22/13 10:13 PM

+1 for the orange.

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Lane
Post Laureate


Reged: 11/19/07

Loc: Frisco, Texas
Re: New C8s - Cheap! [Re: Goodchild]
      #5750844 - 03/22/13 10:40 PM

I like that color.

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Tim J K
super member
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Reged: 05/19/09

Loc: Iowa
Re: New C8s - Cheap! [Re: Lane]
      #5751304 - 03/23/13 07:59 AM

I too have an Orange 8se - great optics and a "cool" orange color! My favorite scope.

Tim


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jgraham
Postmaster
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Reged: 12/02/04

Loc: Miami Valley Astronomical Soci...
Re: New C8s - Cheap! [Re: Tim J K]
      #5751315 - 03/23/13 08:14 AM

I kinda like the color, and the scope is even better! An easy fix is black faux leather vinyl contact 'paper'. The matte finish looks nice on a scope. Of course this is coming from someone who kinda likes the orange.

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Seiko4169
sage


Reged: 07/04/09

Re: New C8s - Cheap! [Re: jgraham]
      #5751327 - 03/23/13 08:27 AM

I've not seen an Orange tube in person yet but I think it looks cool in photographs. My Edge is nice and clean looking but I'm not convinced the creamy white is the best colour? My previous 8i and current grey/silver/gold 5i is ok whilst the black Tubed CPC was rather plain and cheap looking.

Overall I think the Celestron Orange tubes are the most visually appealing especially on a black mount.

Now, my little Etx 90 had them all beat!

Edited by Seiko4169 (03/23/13 08:30 AM)


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REC
Post Laureate
*****

Reged: 10/20/10

Loc: NC
Re: New C8s - Cheap! [Re: jrbarnett]
      #5751362 - 03/23/13 08:52 AM

Thanks Jim, I think I'll pick one up for $30!

Bob


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Husbyggarn
super member


Reged: 12/12/08

Loc: Sweden
Re: New C8s - Cheap! [Re: jrbarnett]
      #5752355 - 03/23/13 05:38 PM

God, you guys are lucky, in Sweden it costs 1400$!
Even so, i can see myself owning one in the future...


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Patrick
Postmaster
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Reged: 05/16/03

Loc: Franklin, Ohio
Re: New C8s - Cheap! *DELETED* new [Re: jrbarnett]
      #5752642 - 03/23/13 08:32 PM

Post deleted by Patrick

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elmiko
member


Reged: 07/28/09

Loc: Arizona
Re: New C8s - Cheap! new [Re: Patrick]
      #5752761 - 03/23/13 09:30 PM Attachment (59 downloads)

I got one of those last August from High Point also. Just love it. Optics are great! The website showed only 10 left when I got mine.I have it mounted on an ASGT also.Here's a pic from last weeks Arizona Messier Marathon. Thats my wife and Pomeranian If you look real close.

Edited by elmiko (03/23/13 09:42 PM)


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jrbarnett
Eyepiece Hooligan
*****

Reged: 02/28/06

Loc: Petaluma, CA
Re: New C8s - Cheap! new [Re: Patrick]
      #5752842 - 03/23/13 10:06 PM

I think the marketing department is hard at work. Celestron's first whitepaper ever was published for the EdgeHD launch. I've now used two different C8 EdgeHDs. One was really good optically. The other was soft like many other "average" quality SCTs. 50-50 is my experience with standards SCTs. 50% of them have had indifferent optics and the other 50% have had good optics. That track record has continued with the Edge's I've now used.

I say "much loved" for the 8" SCT in that it pretty much destroyed the market for EQ mounted Newtonians back in the day. It packed a lot of aperture into a tidy package and rode on a very portable mount comfortably. Note that "much loved" and "~50% of them have poor optics" are not mutually exclusive. There's a lot to love in compact, portable aperture, even if the quality of the image isn't so great.

Regards,

Jim


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elmiko
member


Reged: 07/28/09

Loc: Arizona
Re: New C8s - Cheap! new [Re: jrbarnett]
      #5752979 - 03/23/13 11:26 PM

Jim I concur. I also own a 10" lx- 50. But it is Kind of heavy to set up out in the yard for a quick look. With the c-8 I can carry the whole set up 20 ft. out the door, and be observing in a couple of minutes. And that includes a quick align on the CG-5.

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jrbarnett
Eyepiece Hooligan
*****

Reged: 02/28/06

Loc: Petaluma, CA
Re: New C8s - Cheap! new [Re: elmiko]
      #5753044 - 03/24/13 12:03 AM

Hi elmiko.

I just finished collimating in the wake of installing Bob's Knobs on mine last week, and after re-collimating I cruised a few showcases under moonlit skies using an alt-az mount. I can move the whole kit and kaboodle out of the shed in one go. I'm definitely getting lazy.

I was also playing with the Celestron FF/FR visually using a 28mm RKE. Without the FF/FR, the stars start to go comatic starting in the outer 30% of the FOV, and get progressively worse all the way to the field stop. With the FF/FR in place, the stars start to deform in the outer 15% and get progressively worse in the way to the field stop. Also, the manner in which coma is manifest changes. The stars become comet shaped with tails pointing away from the center. With the FF/FR in place, the coma manifests as "seagull" shapes with the "v" pointing to center and the "wings" flattening out to the sides.

It definitely doesn't achieve the level of flattening or coma correction of the EdgeHD scopes (or the Meade ACF scopes for that matter), but with moderate AFOV long focal length 1.25" eyepieces it does tidy up the outer field a great deal.

Regards,

Jim

Edited by jrbarnett (03/24/13 12:05 AM)


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