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COMPLETED - Baader RCC I Rowe Coma Corrector


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    • By cwinstone
      Hello, does anyone know if my imaging train looks correct, and if it does, why am i still getting these coma errors?
      Could it be incorrect backfocus? Searching the internet makes me think my dslr is 44mm, adding the t ring (even tried a 1mm spacer too) gets me to the required 55mm (assuming that's correct)
      I have no idea how to solve this and i feel like I'm just throwing money down the drain fighting this in vien. Help would be much appreciated.
      Skywacher Evostar 72ed
      Reducer rotator for 72ed (needs this for extra distance to achieve focus, the reducer and adapter alone doesn't allow for enough outwards travel)
      Reducer/corrector for ed72
      Canon eos 650d


    • By elbaztardo
      Atik Horizon Mono
      EFW2
      Baader NB and LRGB Filters
      Boxed with cables.
      Looking for £1500\€1600
       
    • By daz
      Hi all
      I have the following filters for sale. Boxed and include UK postage. All are 1.25" and optically perfect.
      Baader 35nm H-alpha - £45  REDUCED TO £40 Altair #ND96 0.3 and 0.6 - £15 (pair)  
      Payment by bank transfer please.
      Thanks for looking!

       

       
       
       
       
       
    • By StarGazingSiouxsie
      Hi
      For various reasons, I find a correctly orientated image,  (vertically & horizontally) as given by an Amici prism in a diagonal, much easier for me to use with my observing. 
      I absolutely loved the Baader Amici prism with the ClickLock. The build quality is lovely and it gave really great views - except when you try and use it on an object brighter than about magnitude 1.5, whereupon you see the infamous diffraction spike ruining your view. 
      I know this is a fairly common issue with prisms and with Baader Amici prisms in particular but I have also heard of people trying several and then finding one without the diffraction spike issue.  Mine was bought from a reputable online only astronomy supplier on the USA west coast who assured me they tested the prism prior to my purchase but they obvioulsy did not. They did give me a refund in the end. I would really love to try and obtain another Baader prism but without the diffraction problem.
      My question is, have you done the process of trying several prisms before getting a good one? Who did you use? (please feel free to PM me) Did you end going directly to Baader? I would do that ordinarily but I now live in the USA, not Europe. Have you another non Baader correct orientation prism that you could recommend to me ? (Although I have to say once you use a Baader diagonal with a ClickLock there really is no going back to the fiddly adjustment screws!!!)
      Thanks for any advice, sharing of experiences or recommendations. 
       
      Siouxsie 
       
    • By jadcx
      Baader Hyperion Eyepieces

      5mm - £70
      10mm - £70
      24mm - £70
      Or all three for £190
      I bought these over on ABS a while back, used them a couple of times, and have never touched them again, so selling for future upgrade points.
      They seem like perfectly OK eyepieces, but the Baader and TV zooms are perfectly good for my portable viewing, and take up less space and weight.
      Price includes UK postage.  Payment by bank transfer (preferred) or PayPal (buyer pays fees).
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