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Tuesday, August 2nd, 2011
 
A mediocre shot of M51.  27 subs at 3 minutes per sub, at ISO 800.   Once again PHD had problems controlling the CG5.   I am beginning to think the problem may be in the electronics.   Tracking would be very accurate for 5-6 minutes and then slowly lose contact.   I would stop guiding, re-select the star, resume guiding, and once again it would guide near perfect for a few minutes before it slowly veered off line.  The makes me wonder.  Gearing in the mount would respond differently.
 
 


Image Gallery For This Session
m51 27 x 3min  ISO 800  8 1
   

m51-27-x-3min--ISO-800--8_1.jpg
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Comments:
On 08/02/11 at 11:31pm Barry wrote:
Thanks......it should be a lot better than it is. I am still working on the processing. No, I seldom if ever do any drift aligning. I use a polar alignment scope on the CG5. I think my alignment was pretty good. In any case, it is the same way I have always aligned.....when the Dec axis guiding was much better. I need to give it more time, but I got tired after wrestling with the guiding all night.

On 08/02/11 at 05:16pm Larry wrote:
Not bad in spite of the guiding problems. Do you drift align before taking your lights? Don't know if alignment could have anything to do with it. Just a thought.



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