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Re: [APML] Guiding far from the object

Nicola,

Unless you have near perfect polar alignment, guiding on a star further away
than a degree for exposures of 30 minutes or more is guaranteed to produce
trailing.

Steve...

----- Original Message -----
From: "Nicola Montecchiari" <nmontec@libero.it>
To: <astro-photo@seds.org>
Sent: Thursday, June 27, 2002 4:42 AM
Subject: [APML] Guiding far from the object


> Hello all,
>
> do you see any problem in guiding with a star that is far from the
> object you are shooting?
> I'd like to shoot NGC7000 for instance and at my latitude is at zenit in
> this period, and I don't want to have my neck broken because I have to
> be in an unconfortable position :-)
>
> thanks!
> Nicola
>
>
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