And away he gooooes.
Good onya Grant. Yes its rotating, but you've collected light and quite a bit of it too.
You'll find once you get the hang of focusing you won't need to use the sharpening as heavy either
Ken the circling is brought about by field rotation (which is more than likely from not being polar aligned accurately enough)usually in longer exposures. But in this you will notice there are also double stars. As each double looks pretty similar I'd hazard a guess at poorly aligned by registax, rather than a gear or movement problem. I found I had quite a bit of that when I first started processing DSOs with Registax. IMHO I think its result of polar misalignment. Between each shot the stars rotated just a bit and what Registax may have done is aligned and stacked the first half ok but when it got to the second half the rotation had gotten so much that it aligned the rest on a diffent "centroid" (if thats the word) star. Grant try registaxing again but do it in batches of 5 images only or 3 images only and then stack the results and see how it goes. Don't do any waveletting at the end of each bunch. Either that or take each batch result into Photoshop and stack them there. See if that makes a difference.
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....get the wedge out too
