Quote:
Originally Posted by [1ponders]
The focus still looks a fair way out Paul. This is a shot from an ST 7XME attached to my Orion ED80 using a WO 10:1 focuser. I use the subframe to get as close as I can using the graph, then check the full frame for faint stars and zoom in to see how many pixels they are covering. It can take some time.
(I'm looking forward to getting my SCT on a permanent pier with the motorized focuser  ) |
Hi P1,
Thats exactly what I wanted to know, as i was not very happy with the stars in the image so it is good to know I can improve it. I will try your technique and count the pixels.
Thanks
P2