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Image processing help


Prathab
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I've been watching lots of tutorials and learning various processing techniques. I go through a lot of trial and error and see what works with the data. But I would like to know what other experienced folks can pull out of my data to see if I'm getting the most out of it. Please feel free to process the data and post the results here.

This is 47x180 sec lights + darks, flats and bias from a OSC camera & L-extreme filter. HA and Oiii extracted using Siril. Thank you for taking a look.

Wizard-Oct20.jpg

WizardHa_result.fit wizardOIII_result.fit

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I had a quick play in Startools; I won't post the result, because frankly what you've got here already is better. So I would say, in terms of pulling out detail, this probably not too far off as good as you'll get from the data.

What I will say though, is I think you have slightly missed focus - what method are you using to focus?

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10 minutes ago, The Lazy Astronomer said:

I had a quick play in Startools; I won't post the result, because frankly what you've got here already is better. So I would say, in terms of pulling out detail, this probably not too far off as good as you'll get from the data.

What I will say though, is I think you have slightly missed focus - what method are you using to focus?

Thank you for your feedback.  I suspect haze, but I can't remember the last time I had perfect seeing here. This was captured using a C8. Manually focused with a bhatinov mask at the start of the session. But it might have shifted on slewing. I have since added a focus motor, hopefully will help with focus accuracy.

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