[AZ-Observing] Re: Polar Alignment

  • From: Stan Gorodenski <stanlep@xxxxxxxxxxxxx>
  • To: az-observing@xxxxxxxxxxxxx
  • Date: Mon, 15 Mar 2010 12:19:02 -0700

Thanks, Steve.
Stan

On 3/15/2010 11:58 AM, Steve D. wrote:
> Hi Stan,
>    Richard is correct, it takes some time to "tweek" the alignment, and it's 
> best done over several nights.  I don't think it's anything 
> physical-celestial, I think it's more how the brain detects the small errors 
> while performing the alignment.  Do an adjustment in both axes, sleep on it 
> and go again later.  I did the same thing at my observatory over several 
> nights, even weeks and now, I can track an object all day or all night.  I've 
> done this with the Sun, so I know.
>    Just stay with it for a few sessions and it'll be worth it.
>
> Steve Dodder
> Chairman, SAC Novice Group
> Coordinator, Grand Canyon Star Party, North Rim
> Director, Stone Haven Observatory
>
> fester00@xxxxxxxxxxx
>
> http://www.stargazing.net/Astroman
>
>
>
>    
>> Date: Mon, 15 Mar 2010 11:41:59 -0700
>> From: stanlep@xxxxxxxxxxxxx
>> To: az-observing@xxxxxxxxxxxxx
>> Subject: [AZ-Observing] Re: Polar Alignment
>>
>> Thanks, Richard. It is interesting that it requires more than one night,
>> in your case five. I wonder what the physical-celestial basis of this
>> could be.
>> Stan
>>
>> On 3/14/2010 10:15 PM, Richard Harshaw wrote:
>>      
>>> I used the drift method to set the pier for my observatory, Stan, and used
>>> an illuminated reticule to do it. I made tests over five different nights,
>>> each one running about 30 minutes.  After 4 nights, I was only getting about
>>> 2 min of creep in 30 minutes, and by the end of the 5th night, the star
>>> stayed centered all during the half hour run.
>>>
>>> IMHO, I think it is best to repeat the drift test 10 to 20 times before
>>> saying you are even close to being polar aligned.
>>>
>>>
>>>        
>                                       
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