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Arctic_Eddie
Post Laureate
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Reged: 12/30/07

Loc: St. Petersburg, FL
Re: Celestron NexStar Evolution new [Re: core]
      #6479876 - 04/21/14 08:12 PM

Do you have a link to that pack? I looked on eBay but find too many to evaluate.

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MadHungarian
sage


Reged: 11/18/10

Loc: Rainy WA
Re: Celestron NexStar Evolution new [Re: gaz-in]
      #6480409 - 04/22/14 01:28 AM

Quote:

Quote:

That's actually what i like about the 6SE on the stock tripod -- i can pick the whole thing up in one piece and carry it somewhere (usually out to the sidewalk). With a little Starizona LiIon battery back (or equivalent) hooked up to it, it'd be even better. But i often wish i had an 8" OTA i could put on it too when i need a little more power.





Is this the battery pack yo are referring to?

https://starizona.com/acb/batteries.aspx




They currently sell the Starizona II+ model, which i think is a generation or two beyond the original Pinto model. Hopefully it's a bit safer. At least i've read good things about it. But it's all a moot point, because i don't have any money to buy one anyway. I've got my sights set on an Evolution instead.


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Branskins
member


Reged: 03/12/14

Re: Celestron NexStar Evolution new [Re: MadHungarian]
      #6480445 - 04/22/14 02:18 AM

Does anyone know the verdict on the 8 vs 9.25? It seems like a small increase in aperture...am I missing something? I tried doing some research and I came across a few praising the 9.25 for it's sharpness. Would it really be that noticeable?

I know I want either the 8 or the 9.25 but I want to be informed enough to know if the 9.25 is worth it


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core
Pooh-Bah
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Reged: 02/23/08

Loc: Mostly in Norman, OK
Re: Celestron NexStar Evolution new [Re: Arctic_Eddie]
      #6480474 - 04/22/14 03:03 AM

Quote:

Do you have a link to that pack? I looked on eBay but find too many to evaluate.




The one I picked up last July is this one.

I'd reckon they are probably all from the same, if not similar sources. There isn't any charging instructions; basically plug in, battery pack switch to "on", and charge till the green light switches off. I'm looking to get another pack from a different seller, the ones that are enclosed in a black plastic case.

hmm, on second thot do a search for "18650 12V" - a couple of interesting products using 18650 cells, which should be safer. Not sure about max current draw though.

Edited by core (04/22/14 03:22 AM)


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Arctic_Eddie
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Reged: 12/30/07

Loc: St. Petersburg, FL
Re: Celestron NexStar Evolution new [Re: core]
      #6480800 - 04/22/14 09:12 AM

Did not find any mention of balance charging but a simple controller could be imbedded in the case with access to each cell. A set of swamping resistors and Shottky diodes would also work if the cells were not too mismatched. It would just take a little longer to charge and the case would get warm.

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Michael Cox
super member


Reged: 12/24/08

Loc: Barstow, CA
Re: Celestron NexStar Evolution new [Re: Arctic_Eddie]
      #6485623 - 04/24/14 01:33 PM

I have been following the discussion regarding the new Evolution scope line and am looking at the 8" model since giving my 6SE to my Navy son & his family up in Washington state. My big concern is the battery and it's replacement when the time comes. I am not a fan of having to send the entire scope or mount back to Celestron just to get the battery replaced. Since I have not seen or heard anything from Celestron about the ability to replace the battery I would assume it is not user replaceable.

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hamdul
professor emeritus
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Reged: 06/23/09

Loc: Litchfield NH, USA
Re: Celestron NexStar Evolution new [Re: Michael Cox]
      #6485668 - 04/24/14 01:51 PM

If we're going to assume I'd assume just the opposite.
I can't believe that Celestron would produce a product that requires factory Maintenance periodically. How dumb.

Fred


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cirrus1500
member


Reged: 04/09/13

Loc: California
Re: Celestron NexStar Evolution new [Re: hamdul]
      #6485676 - 04/24/14 01:56 PM

I bought their 17Ah power tank 10 years ago, and it is user replaceable (not sure if it was intended by Celestron for it to be so). I replaced the battery 3 times already. Hopefully the Evolution's battery will be self-replaceable too.

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Michael Cox
super member


Reged: 12/24/08

Loc: Barstow, CA
Re: Celestron NexStar Evolution new [Re: cirrus1500]
      #6486576 - 04/24/14 09:07 PM

Cirrus1500: After owning 2 Celestron 17Ah tanks and having one of them die and not recharge, I contacted Celestron asking if the battery could be changed out and if directions were available to replace the battery. Celestron reps indicated this was not a user option and proper disposal of the battery should be followed. I was very lucky to have seen a discussion on CN that detailed how to take the tank apart and what replacement battery was needed.

hamdul: My concerns regardinding how Celestron would deal with battery issues are based on their previous actions related to my need to replace a dead battery in my 17Ah tank and their lack of support regarding a new replacement battery. So yes, I would assume from the start that the battery would not be a user serviceable item. I will be very happy if they thought this issue through when putting this new scope/mount out into the market. Time will tell if this new scope is a winner.

Edited by Michael Cox (04/24/14 09:09 PM)


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Dadadee
sage


Reged: 12/05/13

Loc: Near Montreal, Qc, Canada
Re: Celestron NexStar Evolution new [Re: Michael Cox]
      #6496783 - 04/29/14 08:51 PM

I asked a few questions to my favorite telescope retailer. He got the anwers back fron a Celestron engineer today:

Nexstar Evolution batteries are projected to last 10 years
They will be replacable by the users
The telescope is made to function at below minus 10 degree Celcius



I can not wait to get my new scope. A Evolution 6 incher. .


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mclewis1
Thread Killer
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Reged: 02/25/06

Loc: New Brunswick, Canada
Re: Celestron NexStar Evolution new [Re: Dadadee]
      #6496800 - 04/29/14 08:56 PM

Ben,

We expect lots of pictures (unpacking, first light setup, and maybe even some shots through the scope when you're ready).


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Larry Hansen
sage


Reged: 07/21/09

Loc: MIchigan - Nevada in winter
Re: Celestron NexStar Evolution new [Re: mclewis1]
      #6497736 - 04/30/14 10:01 AM

Looking forward to your report on this one!

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karthik008
newbie


Reged: 01/31/13

Re: Celestron NexStar Evolution new [Re: Larry Hansen]
      #6522872 - 05/13/14 12:22 PM

I thought this SGL link might be useful: http://stargazerslounge.com/topic/213715-new-celestron-nexstar-evolution-tele...

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Sloan
member


Reged: 04/23/12

Loc: Arlington, TX
Re: Celestron NexStar Evolution new [Re: karthik008]
      #6539482 - 05/22/14 09:36 AM

Celestron is going to demo their Evolution scope at the Texas Star Party next week.

Edited by Sloan (05/24/14 03:33 AM)


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Midnight Dan
Postmaster
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Reged: 01/23/08

Loc: Hilton, NY, Yellow Zone (Bortl...
Re: Celestron NexStar Evolution new [Re: Sloan]
      #6539597 - 05/22/14 10:43 AM

Are you going to be there? If there's any chance you can look through it at high mag and see how stable it is compared to the 8SE, I think a lot of people here would be interested!

-Dan


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Sloan
member


Reged: 04/23/12

Loc: Arlington, TX
Re: Celestron NexStar Evolution new [Re: Midnight Dan]
      #6540692 - 05/22/14 10:01 PM

Yes, the telescopes will be set up to use. I will check them out. I am interested in the mount. I have been told that just the mount maybe available in 2015.

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SuperDraco
newbie


Reged: 11/08/13

Re: Celestron NexStar Evolution new [Re: Sloan]
      #6566947 - 06/06/14 12:07 PM

Check out this cool review by Mike Fowler down at OC telescopes....
https://www.google.com/url?sa=t&rct=j&q=&esrc=s&frm=1&sou...

Edited by SuperDraco (06/06/14 12:08 PM)


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chobits
member


Reged: 05/31/14

Loc: French Valley, California
Re: Celestron NexStar Evolution new [Re: SuperDraco]
      #6584159 - 06/15/14 06:08 PM

I'm new here. also new to telescopes. I was wondering if the celestron nexstar evolution 8 be a good starter scope for me. I've also look at the Omni xlt 120 also the se 152. the nexstar seems to me to be the best choice being since I know nothing it will help me find things other than the moon. I'll be getting one next month on the 4th if opt is open. sorry like I said I'm new don't know where else to ask or post for this.

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chobits
member


Reged: 05/31/14

Loc: French Valley, California
Re: Celestron NexStar Evolution [Re: chobits]
      #6584169 - 06/15/14 06:16 PM

**SLOAN** any details on the capabilities from the Texas Star Party? I'm really curious how well it does, and what it looks like when zoomed in at high power. I've never seen Jupiter or Saturn also. will you be able to see these well with this? gl enjoy clear skies

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hamdul
professor emeritus
*****

Reged: 06/23/09

Loc: Litchfield NH, USA
Re: Celestron NexStar Evolution [Re: chobits]
      #6584228 - 06/15/14 06:58 PM

Here's another video of the set up.

https://www.youtube.com/watch?v=0zIJUlnjWQ0

Fred


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