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NGC6164-5 Ha and O3
I've managed 2 nights in a row when I was able to open the roof for a few hours. I managed about 3 hours of Ha and the same of O3 on this target - the main aim being to see how much of that outer shell of reflection nebula I could grab with a relatively small scope. The scope was an ED127 at f 7.5 and the CCD was an SX_VR H16. I lost a few frames and in the end, the 2 channels ended up about 2 1/2 hours each of 20 minute subs.
The processing is a mess. With just Ha and O3, it became a maganta explosion and taming that was difficult but for what it's worth, here is the end result.
Enjoy (or not).
Peter
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