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Equipment Discussions >> Mounts

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Lagonda
member


Reged: 04/09/10

Loc: Zg, Croatia, Europe
Polarscope - visual new
      #4423240 - 03/03/11 08:25 AM

Dear astronomers,

I was wondering when you go for some visual observing, do you need or do you use polarscopes in your mounts? If you are not changing your location too much, let's say, maybe a few degrees north or south, do you "locate" your telescope just on a few stars or do you use polarscope for most accurate positioning? And how accurate your mounts are?

Best regards and clear skies.
Lagonda


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Trev
scholastic sledgehammer


Reged: 12/18/05

Loc: Fort McMurray, AB
Re: Polarscope - visual new [Re: Lagonda]
      #4423268 - 03/03/11 08:44 AM

I don't have a polar scope. I just rough align on Polaris and then do a 2 star alignment and I'm good to go.

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gnowellsct
Postmaster
*****

Reged: 06/24/09

Re: Polarscope - visual [Re: Trev]
      #4424446 - 03/03/11 06:15 PM

I use a polar scope and Argo Navis. The Argo Navis pointing model gets me to within three to four arc minutes of an object. The pointing model indicates that my polar alignment is typically from 0 to 15 arc minutes of true N, within the measurement error of the encoders. Greg N

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