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About 8472

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    Star Forming

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  1. Yes, a large part is due to processing. The latest iteration of Startools has ways of addressing this. Also, not all emission nebula targets exhibit prominent Oiii lines.
  2. Thanks, Louise I recorded a PEC run the other night, with my usual ASCOM setup. Didn't see any substantial improvement in guiding so, as you say, I'm not sure it's worth bothering with in the future.
  3. Hi I've just started looking at running my mount handset's internal PEC routine, but I'm confused about actually going about it. I image with a scope and finder guider connected to my laptop via USB, then my mount handset connected to the laptop via ASCOM. All the guides I see mention ST4 connection from guider to mount but is this necessary? I can't see the point of running NB the PEC routine via ST4 then having to reconnect with ASCOM? Is ASCOM ok for PEC? If so, what is the exact procedure? I get I need to calibrate the guider in phd2, but then do I just select PEC and press record in the handset? I don't understand all the talk about looking at curves and finding indexes. Any help appreciated!
  4. Yes, there is a HDR stacking algorithm in DSS. You can group your different sub lengths in separately, too. Will it will produce results you are satisfied with? Try it and see.
  5. That's exactly the one I use, but I've completely removed the pan/tilt head and bolted the SW latitude base directly to the legs at the top, then run 3/8" studding the full length of the central tube to a 5kg counterweight at the base. It is now incredibly sturdy.
  6. https://www.eastmidlandsstargazers.org.uk/topic/12353-my-eq-platform-project/
  7. To add to all of the above, you can buy the Dob, build yourself an eq platform (which will track well enough for visual), buy a used camera tracker, used dslr and adapt an old M42 lens (all for widefield imaging) all in for roughly the price of the Flex tube. That is exactly the way I did it and have no regrets.
  8. If you eventually want to take the imaging route, you can forget the flex tube for anything serious. Field rotation.
  9. Hmm. I wonder why the SA equivalent is still in beta download only? No official release in months, now.
  10. M57 - Olympus m43, 710mm mak lens + Unguided Star Adventurer
  11. 8472


  12. I'm surprised nobody has tried this yet, but you can squeeze in 2x CR2025 batteries (instead of a single CR2032)- that doubles the voltage and will make the illuminator much brighter. Used batteries would be best, to minimize the new higher voltage. I wouldn't leave them in long-term, though. Just long enough to get PA, should suffice.
  13. This still available?
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