Re: APPC refraction correction question


Dean Jacobsen
 

On Fri, Jul 31, 2020 at 08:47 PM, Craig Young wrote:
Looks like 3 arcs works very well, do you know if 2 arcs works?
Craig, I have been using three lines only.
 
--
Dean Jacobsen
http://astrophoto.net/wp/
Image Gallery - http://astrophoto.net/wp/image-gallery/
Astrobin - https://www.astrobin.com/users/deanjacobsen/ 

Join main@ap-gto.groups.io to automatically receive all group messages.