Quote:
Originally Posted by Eeka
This is a neat trick 
Thanks for this
So you could potentially use this method if octans/CSP is only partially visible ?
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Well I did the night before last.
Once upon a time that is how I did polar alignment all the time using a DSLR camera thru the scope..the thing is if you want to be perfect is during the day take a photo thru the scope and look thru your polar scope to make sure both are pointing at the same spot.
Today I am trying to process some M33 from last night..the mount as I said required minimal agjustment when I went to pole master. The adjustment was only about 1/4 of an inch on the 75% pole master screen...lining up the two units a little circle and little square required only a squeeze of the adjustment knobs ...anyways last night did unguided one minute subs that look pretty good.
The deal is...set up set your time exposure and take break have a cuppa and see the result when your are finished...if you want to be exact tape a spot marking the centre of your screen..I just guess...so maybe with a spot my ruff alignment may have been better.
And you could have your mount pointing East or West and it becomes clear which way you need to go..I have given up on using a compass both conventional and the ones one the phone...the noon day stick in the sand is good but why bother when a time exposure tells you what you need to know.
Good luck.
Alex