Thread: Argo Navis dob alignment stars question.
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Old 14-07-2009, 08:47 PM
gb_astro
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Argo Navis dob alignment stars question.
When using a dob the AN manual recommends selecting a pair of alignment stars that give you a good separation in both azimuth and altitude, without getting too close to zenith.

However "good separation in altitude" seems to place one star pretty high.

So the question is just how close to zenith can you go before you have a problem?

Thanks,
gb.
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