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David Hardie

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Posts posted by David Hardie

  1. Hi all. Does anyone on here know of a little engineering shop, or have used one before, or even own a lathe!

    I just want some spacers adjusted by turning some material off etc.

    Cheers. David

  2. Here we have a brand new Ioptron Polar scope to fit Celestron AVX mount. Also fits CG5 according to the sales page.

    Contains polar scope, adaptor, cable and box. This system uses your laptop or pc to line up a cross with a circle. Pic below from web page.

    Cost £199 selling for £105 posted in UK and bank transfer or Pay pal (fees paid please) to pay. Thanks! David





  3. All items now sold thank you!!

    Hi folks. Due to an upgrade almost before I got started, I have the following items for sale. Pictures are all below.

    So to start, I have a Celestron AVX mount in very good condition. This is hardly used. It has the ADM upgraded dual saddle, Losmandy and Vixen, and the orange replacement clutch levers. All complete with tripod, leg spreader / ep holder, counterweight and shaft, hand controller and cable / instruction book etc. No box sorry.

    This will be collection only. I live in West Cumbria but would be willing to travel so far to meet up.

    £499 complete.


    Next I have the following accessories for the above mount, but will sell separately no problem -

    Celestron Star Sense Autoalign. Boxed with instructions and unused. £199 plus £6.50 postage.

    Celestron Sky Portal. Use your tablet etc to control your scope! New. £79 posted.

    Celestron Sky Sync GPS unit. New. £99 posted.


    All items superb condition. Please ask for any more info and I'll be happy to provide this! Thanks for looking. David

    I'm always looking for different stuff for astro photography so by all means pm me with any swap ideas!!!!!













    I'll am selling my QHYCCD electronic polar scope. Not used because I have changed plans and bought the Ioptron ones to use with their mounts.

    In it's own tin box with cable and instruction links. Price is £150 And £4.50 postage in UK.

    I also have the adaptors shown in the picture, again unused. One is for AVX mount, the other fits Skywatcher eq5, neq6, eq6r, azeq6 and CGEM. These are £20 each posted in UK.






  5. 20 minutes ago, ollypenrice said:

    OK, this isn't a chip distance so I very much doubt that it will be all that critical. SCTs can cope with a considerable range of backfocus but are optimal at a certain distance. I'd be amazed if this were critical but I'd ask those imaging with the scope. If you don't get a reply I'd just suck it and see. I'd certainly do that in your shoes.


    Thanks Olly much appreciated!! I think it's easy to fall into the trap of thinking it has to be within 0.001 or something!!

    I'll give it a try +- 2 mm or so!

    • Like 1

  6. 1 hour ago, ollypenrice said:

    I don't think you're talking about focal length here unless there's a typo. You're unreduced scope has an FL of 2000mm becoming 1400mm with the 0.7mm reducer. Where does this figure of 133mm come from? Without the reducer you just focus and shoot.  With the reducer you need to respect the 'chip distance' between reducer and chip. Maybe this is your 133mm? If so you'll need to add about 1mm for filter effects but with smaller chips very high precision isn't usually needed. But first let's clarify the 133mm.


    Thanks mate yes I didn't word it very well it's the camera to Scope back focus measurements. It's supposed to be 133 mm from the scope back thread to the camera sensor. I've been able to make up adaptors like the ones shown here but just wondered how critical the size is. Maybe it's just a guide and possibly extra shims etc are needed? If so I'll try to put a Baader adjustable Vari adaptor in the chain for future adjustments?


  7. Hi folks. I'm setting up my ZWO 1600 with my Edge HD and filter wheel.

    The length required is 133mm.

    The question I have is how critical is the 133? With included spacers I can make 132 haha. Or is there a better way to go, plus or minus the figure.  Or could it be a case that once set at 133 it may need adjustment anyway?

    New to this so all advice welcome+

    Cheers. David

  8. I tried a few different cases over the last 12 months but did in the end settle on using a company called AnyFoam for the inserts. You just send measurements and it costs about 3 to 4 quid a sheet. Easy then to cut with a Stanley blade.

    Some nice plastic cases off Amazon which should be ok outside during observing.

    Still need to cut out for the 17 Ethos once it comes in from FLO. And I know there are overlaps etc - I use them on different scopes!

    The last picture still needs doing - it's my In Progress box !!






    • Like 5

  9. Now SOLD

    For sale is the Baader 8 to 25 zoom EP.

    Unused still with all packaging, carry case

    , caps etc.

    Only selling because I've bought a range of Tv items and no longer fits into the collection.

    It has the 2 inch and 1 1/4 nosepieces.

    Price is £100 posted in UK only and I take PayPal as long as fees paid / F&F or transfer.

    Thanks for looking! Totally unused item!!




  10. Hi all. Today I received from FLO my C11 OTA and I'm keen to improve the finder mounting.

    On my 8 inch Edge HD I bought a universal Baader finder bracket but obviously the diameter of this scope is larger. I'm not keen on the Celestron holder with it's rubber O ring.

    Anyone used anything different on their scopes please? I suppose I could get one of those ADM dovetail bar kits and mount it on that?

    Cheers. David

  11. Hi all. I've heard on here there's no such thing as a daft question so go easy!!! Lol

    So if you take 2 ep's, both 10mm.

    One is 68 degree and the other 100 degree FOV.

    So looking at a Planet or Nebula for example, does the object look the same size but see more of it with the 100?



  12. Hi all, today I ordered the CEM60-EC mount from the fine people at FLO.

    I already have the mini pier all ready for it to go on. Also ordered a set of counterweights and extension bar.

    Full report and pictures to come once I have it delivered!!


    • Like 3

  13. Hi all. I plan to try out the ASIair on my AVX or Skywatcher mount with Esprit 100 scope. In time it will hopefully be to do some imaging. But before that can the unit be used with a tablet / Sky Safari as a goto tool?

    I imagine the scope would need to be at least roughly polar aligned first.

    So can I use the Wi-Fi from the tablet to ASIair to slew to targets selected on the app?

    I thought it would be a good introduction before I add my imaging and guide cameras.

    Thanks. David

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