UncensoredTakGroup at Yahoo! Groups

Re: EM200 Tracking Issues

ancient.sull — Sat, 07 Nov 2009 18:24:27 GMT

Autoguiding, with or without PEC, can remover low frequency errors (slow upslope and slow downslope relative to the length of one autoguide cycle. PEC can

Re: EM200 Tracking Issues

Hartmut — Sat, 07 Nov 2009 08:25:57 GMT

Sure, control theory would always give PEC priority.: it's better to adjust the motor speed on time than wait for an error and react. But todays guide systems

Re: EM200 Tracking Issues

Tom O'Donoghue — Sat, 07 Nov 2009 02:57:13 GMT

Apologies, just to finish that, I don't find PEC necessary on this mount. Its accurate enough as it is. ... From: Tom O'Donoghue

Re: EM200 Tracking Issues

Tom O'Donoghue — Sat, 07 Nov 2009 02:55:21 GMT

Just to add to the previous points I only image at 530mm but PEC ... From: Gene Horr Subject: RE: [UncensoredTakGroup] EM200 Tracking

Re: EM200 Tracking Issues

Gene Horr — Sat, 07 Nov 2009 02:03:20 GMT

... A very important point. Even assuming very long guiding exposures (say 10 seconds) the error from everything else will be higher than the worm PE. Even

Re: EM200 Tracking Issues

John O'Neill — Sat, 07 Nov 2009 01:35:51 GMT

Don: I had a EM-200 and had guiding issues until I found that I was not adjusting the time to standard (in the instructions, but missed that part) during my

EM200 Tracking Issues

Don — Sat, 07 Nov 2009 00:28:32 GMT

Hi all, I've been imaging using my EM200 mount and have to manually guide. I did the drift method and DEC drift had ceased but the RA needs to be corrected.

Re: Unusual Behavior for NJP Mount

GordonM — Sat, 07 Nov 2009 00:24:59 GMT

Hi Friends. I have my fingers crossed. I think my problem is solved. After making an adjustment in the RA worm block (and getting rid of the striction I was

Pelican Nebula

Tom O'Donoghue — Fri, 06 Nov 2009 17:42:15 GMT

Hi Group, Its been a while since I've posted anything, and I'm working on M45 but its not giving me a good result. So in the meantime and to take a break from

Re: Recommendation for OTA

repichr — Fri, 06 Nov 2009 01:06:01 GMT

Dale, Check out the Astro-Tech forum for advise on motorizing the focuser, lots of help there. Rex

EM200 to RJ11 Pinouts

gbealnz — Thu, 05 Nov 2009 23:01:31 GMT

I am about to make up a cable to link the auto-guide Din plug on the EM200 T2 mount to an RJ11 plug. I have researched the database files section and think I

Re: EM200b and 24v ?

ozrall — Thu, 05 Nov 2009 21:54:51 GMT

Thanks Art, I'll stick to 12v and slow slews ! Are there copies of a manual that I can obtain ? Cheers Rally

Re: EM200b and 24v ?

Woody Schlom — Thu, 05 Nov 2009 18:49:17 GMT

... power jack that has a negative centre and positive body - opposite to everything else on the planet. YIKES! No wonder you're asking if it can run on 24v

Re: EM200b and 24v ?

Art Ciampi (Texas Nautical Repair) — Thu, 05 Nov 2009 17:24:14 GMT

No and remember it has a center negative connector as compared to the center positive for the USD mounts. Art ... From: ozrall To:

Re: Auto guiding for older NJP-160

gyouman — Thu, 05 Nov 2009 17:19:50 GMT

Tied together. ... -- Glen Youman Penryn, California http://www.astrophotos.net