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Found 4 results

  1. I have recently bought a Stepper Bee board and stepper motor to build a computer controlled autofocuser. The stepper bee software works like a trean on a PC and the clumsy assembly that I made to connect the stepper motor to the focuser also works fine. Then I started thinking it would be nice if I could find an ASCOM driver that could control the Stepper Bee. that way I could perform automatic focusing. Before I start to develop the code myself I did some search on the internet but could not find anyone who has successfully developed such code. I found a thread about dome control with stepper bee & ASCOM however, and I am thinking perhaps the codes could be similar. Does anyone knows of any code / plug-in that has already been develped? Is anyone using Stepper Bee for autofocusing? I can really use some advise. Thanks, Naeim
  2. Hi there, i recently built an autofocuser using the awesome autofocuserpro project library by Robert Brown. I’m trying to mount the stepper motor to my 6”RC linear focuser but I’m not sure who to approach it. Does anyone have any examples or solutions on how to mount my stepper ( 28PBY-48)? Thank you in Advance lenny
  3. I know the topic of DIY autofocusers has probably been done to death, but just thought I would share my experiences of making one this evening. I got most of the technical / clever bits from Motionco, and two metal brackets (for attaching the motor to the scope) from B&Q. I have got to say that this was quite a bit easier that I was expecting it to be. Making the bracket and attaching it to the scope took ~3 hours, but this was me taking my time and following my old dad's motto of measure twice, cut once . As a result, I did not [removed word]-up at any stages, a very rare occurrence for me . I wanted the motor to be very easy to attach / remove in the dark, and I think the bracket I have ended up with does a pretty good job, it is just a pity it looks a bit ugly . Got to say that it works brilliantly, and the main reason I built this was because I was finding it really difficult to get my arms in to position to focus the scope, while trying to look at the laptop screen during imaging, with the image was jumping about all over the place every time I touched the focuser knob . Now I can just do this really easily, straight in front of the screen and the focusing control is really fine, much better than I can do with my hand and virtually no image wobble. Here are a couple of pictures, and if any one is remotely interested in how I did it / exactly what bits you need to buy, please post in this thread and I will add step by step instructions with pictures, but not tonight, I need some sleep . A few quick pictures:-
  4. The inability to achieve reliable precise focus when doing AP, whether it be deep sky or planetary has finally taken its toll on my last nerve. 80% of my scope time is spent imaging with a Celestron 8" Edge HD (with .7 reducer for deep sky) attached to a Losmandy G11 mounted to a permanent pier in a roll off roof observatory. So I have come to the decision that its overdue for an autofocuser, preferably one that I can also control from my PC. I have read posts from users of Edge HD systems experiencing problems with backfocus in the image train when using crayford type systems like Moonlite etc. So I have primarily been looking at primary autofocusers like the ones from Rigel systems, (unb stepper) Robofocus and JMI. Frankly there is so much info on the JMI page that it is difficult to see what is needed there, let alone calculate a cost. Plus the Rigel system and Robofocus do seem to fall more into my price range for a remote access system (inside my home). So I am looking for advice, recommendations, warnings etc on either of the systems I have mentioned, plus if you know of another that works with this scope, I would love to hear that to. There is the possibility that I may upgrade the 8 edge to an 11 edge sometime in the future, so a system with a conversion kit would be a great bonus. But for now I just want a reliable precise way to autofocus via hc & pc. Thanks for any advice you can give, Randy
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