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Hi Joe,
Thanks for the reply, I was thinking the best approach would be to have a list of targets and collimate at the halfway mark of my highest and lowest visual objects for the night.
Re Tester:
I have only just started on my mirror again after a winter hiatus due to the cold and damp weather and doing most of my grinding in the garage.
I had a double curve and gone back to 120-220 and starting 400 again. I am more than happy to drop your tester back at any stage however, just seeing one and using one was a great resource.
Let me know when your home and I can be there as quickly as I was to pick it up.
Many thanks
Steve
I had a good finish and was a few inches out on my F/l, so went again, got a bad finish and had to restart all over just about, think my 25mm thick glass is approaching sub 20mm soon... /sigh. At 205mm by 20mm I'm at 10:1 ratio, so, I'll be needing all the hints and tips I can find for the mirror cell on the home made scope.
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