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About Astrosurf

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  • Birthday 05/08/62

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    Lover of all things astro, my family and friends (for their tolerance as much as anything!), science, reading, music, snakes, anything with an exoskeleton and anything/anyone that makes me laugh!
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  1. 3D printing for accessories? Or other materials?

    Thanks Neil! Excellent. What did you use as a template? An existing dovetail?
  2. 3D printing for accessories? Or other materials?

    Thanks. I did wonder about the hardness of the plastic. Did you do what Jamie said and used PETG with 100% infill?
  3. 3D printing for accessories? Or other materials?

    I don't suppose you noted down instructions?!
  4. Has anyone used 3D printing for accessories that take quite a lot of force, e.g. dovetails? I want to make a side-by-side bar. First I thought in wood, then thought about 3D printing. Have you made accessories in wood or other materials or used 3D printing? What have you made and how have they fared? Alexxx
  5. Have a go with this, to see FOV. Choose 'Camera lens' in the 'Telescope make...' drop-down list. Then lens size, camera etc. http://www.12dstring.me.uk/fovcalc.php Alexxx
  6. I have a finder-guider set-up with an old QHY5 cam and SW finderscope. I use PHD1 for as my guiding software - PHD2 is supposed to be good but I like what I know! I'm desperately trying to remember what I do as I haven't been out for so long! I'm sure your set-up is different but I hope this helps. Here goes: I plug in the camera to mount's guiding socket and to laptop with USB connection. I open PHD, select camera, click Loop and click on a star (my guidescope is focused already). I then click the PHD button and it calibrates. I haven't got a pic of my settings but if you want I can post one. When it says 'Guiding' I open the graph so I can see how it's going, and hope for the best! I'm sure I've missed steps! See here: https://openphdguiding.org/PHD2-2.4.1g-manual.pdf I only polar align as accurately as possible. I never drift align. Things tend to work out quite well. Alexxx
  7. Smaller sensor or longer focal length

    Have a look at this thread. The SW150P-DS or 130P-DS look overall very good and are quite light. I love my 200P for imaging smaller DSOs but you need a very calm night! And it's at the limit of what my HEQ5 Pro mount can hold, with all the gear. What mount do you have? Alex
  8. Allen socket screw advice

    Thanks Alan! I'll see what I need.
  9. Allen socket screw advice

    Don't worry Alan! They're sure to come in handy for all the bits and bobs I need.
  10. Allen socket screw advice

    Many thanks, but it looks a wee bit long.
  11. Allen socket screw advice

    I use it to attach my Astrotrac to my tripod via a dovetail bar.
  12. Allen socket screw advice

    Thank you! I've bought them. Honestly, I'm like a workman with all the stuff I have!
  13. I've lost the only short one of these I had. The width, including the outer edge of the thread, is 6mm, but the screw needs to be about 2/3 the length. The screw has an Allen key socket in the head. Where can I get some? Alexxx