Image of the day

Captured by
Erwin Forbragd

M33 in Triangulum

About Astromart

My Account

New to Astromart?

Register an account...

Need Help?

secondary rotation

Started by maah, 07/03/2012 10:47PM
Post Reply
Posted 07/03/2012 10:47PM Opening Post
Magnus Ahrling
View public profile Send a private message to Magnus Ahrling Find more posts by Magnus Ahrling Find threads started by Magnus Ahrling
Forum Member

Join Date: Oct 2003

Location: Visby, SE

Posts: 76

The secondary holder and probably the secondary mirror has rotaded in my old orange C8; does it have any effect on the optical performance?
Is secondary rotation critical in an SC?
/Magnus
Quote
Posted 07/04/2012 04:29AM #1
Dale Conrad
View public profile Send a private message to Dale Conrad Find more posts by Dale Conrad Find threads started by Dale Conrad
Forum Member

Join Date: Aug 2009

Location: Sedro Woolley WA, US

Posts: 165

Run a star test on it and any abnormality will show up. If the star test is good, then no harm.
Quote
Post Reply

Funding Member

Sponsors


View all sponsors

Search