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Thanks all.
I really wanted more LRGB data but the weather has just been dire imaging wise! I had gotten to the point where I really could not see much difference in the HA and Oiii after adding a last lot of subs. The last two nights if data gathering I was shooting LRGB until moonrise then changing to either HA or Oiii for the remainder of the night.
What I was really happy with was getting the guiding really nailed down on my CEM70 mount, "Normal" guiding was around 0.6" RMS (So about the same as the pixel scale) and a few times on still nights I saw periods in the 0.2X" range! Apart from a few nights where clouds interfered, I tossed out very few subs! On the last night of combined LRGB-Oiii I kept all subs bar the very last Oiii which was impacted by some high cloud!
Last edited by The_bluester; 30-09-2021 at 08:52 PM.
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