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Ags

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Ags last won the day on October 21 2022

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    Female
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    Astronomy, computers, programming, photography, buying stuff
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    The Netherlands

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  1. Or.... StarSense and EQ platform. I'm thinking hard about this option.
  2. NexStar 4SE - ten years was long enough. ST80 - turns out CA does bother me. Skymax 102 - not sure why I sold this one. 150PDS - Not its fault it was undermounted.
  3. Yes, I slightly oversized the mask to account for manufacturing tolerances. I will glue on some felt to make the fit snug. I was considering making the 70 mm mask an insert for the 80 mm, should be doable.
  4. I uploaded the design to the Dutch site I initially found, and the price is pretty competitive there, but less choice of materials. I see it's possible to print in flexible plastics. I have some ideas for end-caps!
  5. This is just the 80 mm mask, printed in ABS as a test. I have a few more projects to work on - a 70 mm mask, various focusing aids, a solar finder. If only I could cut the shipping costs... Looks like ordering a 3D print is as cheap as ordering some photo prints! Only problem with online printing is the need to get the model right first time.
  6. Printed via CraftCloud. The object cost EUR 3.50 - and multiple times that for shipping.
  7. I have bought my scopes to complement each other so going down to one is hard to imagine. I suppose it would be the ZS66, simply because it is the lightest and most fun.
  8. Drawing my thing in tinkercad:
  9. I think you're right, I was thinking of the Megrez 88.
  10. Isn't the Megrez 90 exactly the same as the Long Perng 90 (which I have)? With the exception that the LP90 has improved glass...
  11. A Mewlon 180c or a Tak FC76 DCU or a C9.25 or an RC8 or a Borg 90 or a...
  12. Ags

    M81

    I think, based on your experience, that it should be quite doable, especially as I will be using f6.3 reducer for a focal length around 945 mm, roughly a third of yours. But I will need a very calm night.
  13. I worked on reducing the graduated shading representing star density to sharp contour lines. Hopefully looks less like a printer's error now! It was quite easy in the end, just little bit of integer division and remultiplication, plus a few cosmetic tweaks to reduce the number of dark countours and avoid very light contours.
  14. Ags

    M81

    I am trawling your back catalog of images after seeing your stunning M51 These results really motivate me to have a go with my C6/HEM15.
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