Intermittent guiding success

[Alan Moore]

For several nights I  have had intermittent guiding.   It will be spot on, but then gets completely off.   I have a Astrotech EDT130 on a iOptron CEM 70 EC mount that is permanently pier mounted at Starfront observatory.   I am sending the log and debug files from last night.   Any thoughts are appreciated.

https://openphdguiding.org/logs/dl/PHD2_logs_crv7.zip

[Bruce Waddington]

It looks to me like your problems began when the scope moved to a pointing position at Dec = 60 and about 18 degrees west of the central meridian (Hour angle approx 1.2 hours). It looks like you're using an OAG on the scope but I think it would worthwhile to check the cable routing to be sure there is no pull on the mount payload at this pointing location.  Imaging at these higher Dec locations often exposes cabling problems that aren't seen elsewhere.

Good luck,

Bruce

[Alan Moore]

Thank you.  I’m using the ASI 2600 MM Duo, which has a guide camera incorporated into the main camera, essentially on axis guiding.  I’ve forwarded your response to the Starfront staff to examine the cabling 

One of the down sides of a remote observatory.  I’m 300 miles away 

R. Alan Moore, Jr, M.D.

On Aug 19, 2026, at 5:14 PM, Bruce Waddington <bw_m...@earthlink.net> wrote:



--
You received this message because you are subscribed to the Google Groups "Open PHD Guiding" group.
To unsubscribe from this group and stop receiving emails from it, send an email to open-phd-guidi...@googlegroups.com.
To view this discussion visit https://groups.google.com/d/msgid/open-phd-guiding/c4848f83-b886-4307-a98f-fbb54855e65an%40googlegroups.com.