DIY Dobsonian Setting Circles

[Guest]

4 hours ago, jjohnson3803 said:

Since you're in the US, you might want to check Oregon Rule company.  They sell a variety of angle gauges, tapes, and such.  I use their 360* circle gauges for azimuth circles on my Twilight-1 and Skywatcher AZ5 mounts.  FWIW.

Thank you very much

Edited February 8, 2022 by Guest

[Merlin66]

There's a tremendous resource at :

https://www.blocklayer.com/timing-tape.aspx

all sorts of tapes and disks, very handy for the amateur.