Re: Going Unguided With a Long FL Scope?


Hey Tony,

If you want to go unguided, try ATrack, get in touch with Craig Young on this forum for details. It works a treat! Doesn't use a guidescope or guider, easy as pie and VERY accurate!


From: <> on behalf of Tony Benjamin <tonybenjamin@...>
Sent: Friday, 12 June 2020 12:18 AM
To: <>
Subject: [ap-gto] Going Unguided With a Long FL Scope?

I've been putting together my imaging train for my C11 and have hit a snag. The QHYOAG will be hitting the back of the LiteCrawler using the backfocus of the 146mm. I can't see anyway around this except for:

  • a guidescope (flexure issue;
  • a new camera with minimal backfocus (the ML16200 I'm using eats up 21mm - maybe the ASI6200??); or
  • go unguided.
So far, going unguided seems to be the most reasonable solution. Question 2800mm and with AE's...can I expect to go 10 min or longer unguided with AE's and a good pointing model??

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